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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2017	Nov. 03, 2017
Document And Entity Information
Entity Registrant Name	CLEARONE INC
Entity Central Index Key	0000840715
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		8,414,153
Trading Symbol	CLRO
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2017

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 3,013	$ 12,100
Marketable securities	3,953	5,030
Receivables, net of allowance for doubtful accounts of $304 and $187, as of September 30, 2017 and December 31, 2016 respectively	8,061	7,461
Inventories	19,695	11,377
Distributor channel inventories	1,394	1,530
Prepaid expenses and other assets	2,207	2,642
Total current assets	38,323	40,140
Long-term marketable securities	16,480	21,365
Long-term inventories, net	2,446	1,664
Property and equipment, net	1,587	1,513
Intangibles, net	5,283	5,677
Goodwill		12,724
Deferred income taxes	9,875	4,654
Other assets	378	387
Total assets	74,372	88,124
Current liabilities:
Accounts payable	5,811	3,545
Accrued liabilities	1,852	1,894
Deferred product revenue	3,870	3,882
Total current liabilities	11,533	9,321
Deferred rent	39	103
Other long-term liabilities	1,216	1,251
Total liabilities	12,788	10,675
Shareholders' equity:
Common stock, par value $0.001, 50,000,000 shares authorized, 8,433,182 and 8,812,644 shares issued and outstanding as of September 30, 2017 and December 31, 2016 respectively	8	9
Additional paid-in capital	47,300	46,669
Accumulated other comprehensive loss	(49)	(205)
Retained earnings	14,325	30,976
Total shareholders' equity	61,584	77,449
Total liabilities and shareholders' equity	$ 74,372	$ 88,124

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 304	$ 187
Common stock par value	$ 0.001	$ 0.001
Common stock shares authorized	50,000,000	50,000,000
Common stock shares issued	8,433,182	8,812,644
Common stock shares outstanding	8,433,182	8,812,644

Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 10,560	$ 12,908	$ 32,549	$ 37,907
Cost of goods sold	4,051	5,240	13,293	14,110
Gross profit	6,509	7,668	19,256	23,797
Operating expenses:
Sales and marketing	3,006	2,389	8,393	7,695
Research and product development	2,268	2,116	6,947	6,481
General and administrative	1,281	1,739	5,597	4,904
Impairment of an intangible asset	736		736
Impairment of goodwill	12,724		12,724
Total operating expenses	20,015	6,244	34,397	19,080
Operating income (loss)	(13,506)	1,424	(15,141)	4,717
Other income, net	78	100	264	194
Income (loss) before income taxes	(13,428)	1,524	(14,877)	4,911
Provision for (benefit from) income taxes	(4,152)	315	(4,313)	1,379
Net income (loss)	$ (9,276)	$ 1,209	$ (10,564)	$ 3,532
Basic earnings (loss) per common share	$ (1.09)	$ 0.14	$ (1.22)	$ 0.39
Diluted earnings (loss) per common share	$ (1.09)	$ 0.13	$ (1.22)	$ 0.37
Basic weighted average shares outstanding	8,520,041	8,921,480	8,641,173	9,076,305
Diluted weighted average shares outstanding	8,520,041	9,164,165	8,641,173	9,452,616
Comprehensive income:
Net income (loss)	$ (9,276)	$ 1,209	$ (10,564)	$ 3,532
Other comprehensive income:
Change in unrealized gains (losses) on available-for-sale securities, net of tax	10	(39)	68	179
Change in foreign currency translation adjustment	23	7	88	19
Comprehensive income (loss)	$ (9,243)	$ 1,177	$ (10,408)	$ 3,730

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (10,564)	$ 3,532
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization expense	1,172	1,408
Impairment of goodwill and intangible assets	13,460
Amortization of deferred rent	(53)	(57)
Stock-based compensation expense	514	494
Provision for (recovery of) doubtful accounts, net	106	(6)
Write-down of inventory to net realizable value		458
Loss on disposal of assets	1	54
Tax benefit from exercise of stock options		(721)
Deferred income taxes	(5,221)	107
Changes in operating assets and liabilities:
Receivables	(649)	234
Inventories	(8,964)	1,353
Prepaid expenses and other assets	(226)	(147)
Accounts payable	2,257	770
Accrued liabilities	(67)	(134)
Income taxes payable	699	429
Deferred product revenue	(23)	(284)
Other long-term liabilities	(61)	(51)
Net cash provided by (used in) operating activities	(7,619)	7,439
Cash flows from investing activities:
Purchase of property and equipment	(537)	(544)
Purchase of intangibles	(203)
Proceeds from maturities and sales of marketable securities	9,946	5,371
Purchase of marketable securities	(3,915)	(6,608)
Capitalized patent defense costs	(845)
Net cash provided by (used in) investing activities	4,446	(1,781)
Cash flows from financing activities:
Net proceeds from equity-based compensation programs	117	736
Tax benefit from equity-based compensation programs		721
Repurchase and cancellation of stock options	(285)	(1,752)
Dividend payments	(1,650)	(1,373)
Repurchase and cancellation of stock	(4,151)	(5,139)
Net cash used in financing activities	(5,969)	(6,807)
Effect of exchange rate changes on cash and cash equivalents	55	10
Net decrease in cash and cash equivalents	(9,087)	(1,139)
Cash and cash equivalents at the beginning of the period	12,100	13,412
Cash and cash equivalents at the end of the period	3,013	12,273
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 6	$ 893

Business Description, Basis of Presentation and Significant Accounting Policies

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business Description, Basis of Presentation and Significant Accounting Policies

1. Business Description, Basis of Presentation and Significant Accounting Policies

Business Description:

ClearOne, Inc., together with its subsidiaries (collectively, “ClearOne” or the “Company”), is a global company that designs, develops and sells conferencing, collaboration, streaming and digital signage solutions for audio and visual communications. The performance and simplicity of its advanced comprehensive solutions offer unprecedented levels of functionality, reliability and scalability.

Basis of Presentation:

The fiscal year for ClearOne is the 12 months ending on December 31^st. The consolidated financial statements include the accounts of ClearOne and its subsidiaries. All significant inter-company accounts and transactions have been eliminated.

These accompanying interim unaudited condensed consolidated financial statements have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and are not audited. Certain information and footnote disclosures that are usually included in financial statements prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) have been either condensed or omitted in accordance with SEC rules and regulations. The accompanying condensed consolidated financial statements contain all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of our financial position as of September 30, 2017 and December 31, 2016, the results of operations for the three and nine months ended September 30, 2017 and 2016, and the cash flows for the nine months ended September 30, 2017 and 2016. The results of operations for the three months and nine months ended September 30, 2017 and 2016 are not necessarily indicative of the results for a full-year period. These interim unaudited condensed consolidated financial statements should be read in conjunction with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the SEC.

Significant Accounting Policies:

The significant accounting policies were described in Note 1 to the audited consolidated financial statements included in the Company’s annual report on Form 10-K for the year ended December 31, 2016. There have been no changes to these policies during the nine months ended September 30, 2017 that are of significance or potential significance to the Company except for the treatment of patent defense costs described below.

Patent Defense Costs - The Company relies on patents and proprietary technology and seeks patent protection for products and production methods. The Company capitalizes external legal costs incurred in the defense of its patents when it believes that a future economic benefit will result from the defense and a successful outcome of the legal action is probable. These costs are amortized over the remaining estimated useful life of the patent, which is 15 to 17 years. The Company’s assessment of future economic benefit and/or the successful outcome of legal action related to patent defense involves considerable management judgment and a different outcome could result in material write-offs of the carrying value of these assets.

Recent Accounting Pronouncements:

In May 2014, the FASB released Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), requiring an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The updated standard will replace most existing revenue recognition guidance in U.S. GAAP when it becomes effective and permits the use of either a full retrospective or retrospective with cumulative effect transition method. We plan to adopt the standard when it becomes effective for us beginning January 1, 2018. We currently anticipate adopting the standard using the modified retrospective method with a cumulative catch up adjustment and providing additional disclosures comparing results to previous rules. We continue to evaluate the impact of the new standard on our consolidated financial statements but anticipate this standard will have a material impact on our consolidated financial statements.

In February 2016, the FASB released ASU No. 2016-02, Leases (Topic 842) to bring transparency to lessee balance sheets. The ASU will require organizations that lease assets (lessees) to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. The standard will apply to both types of leases-capital (or finance) leases and operating leases. Previously, GAAP has required only capital leases to be recognized on lessee balance sheets. The standard is effective for fiscal years beginning after December 15, 2018 and interim periods within fiscal years beginning after December 15, 2018. Early application will be permitted for all organizations. The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on the consolidated financial statements.

In March 2016, the FASB released ASU No. 2016-09, Compensation - Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The standard is intended to simplify several areas of accounting for share-based compensation arrangements, including the income tax impact, classification on the statement of cash flows and forfeitures. ASU 2016-09 was effective for the Company on January 1, 2017. As a result of the adoption of ASU 2016-09, excess tax benefits or deficiencies related to stock-based compensation are now reflected in the Consolidated Statements of Operations as a component of the provision for income taxes, whereas they previously were recognized in additional paid-in capital. In addition, our Consolidated Statements of Cash Flows will now present, on a prospective basis, excess tax benefits as an operating activity. Finally, we have elected to account for forfeitures as they occur, rather than estimate expected forfeitures.

In August 2016, the FASB released ASU No. 2016-15, Classification of Certain Cash Receipts and Cash Payments, which addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective for the Company beginning January 1, 2018 and we are currently evaluating the impact that ASU 2016-15 will have on our consolidated financial statements.

In May 2017, the FASB issued ASU No. 2017-09, Compensation—Stock Compensation (Topic 718): Scope of Modification Accounting. The new guidance provides clarity and reduces both (1) diversity in practice and (2) cost and complexity when applying the guidance in Topic 718, Compensation—Stock Compensation, to a change to the terms or conditions of a share-based payment award. The accounting standard update will be effective for The Company beginning January 1, 2018 on a prospective basis, and early adoption is permitted. The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on the consolidated financial statements.

Earnings (Loss) Per Share

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

2. Earnings (Loss) Per Share

Earnings (loss) per common share is computed based on the weighted-average number of common shares outstanding and, when appropriate, dilutive potential common stock outstanding during the period. Stock options are considered to be potential common stock. The computation of diluted earnings (loss) per share does not assume exercise or conversion of securities that would have an anti-dilutive effect.

Basic earnings (loss) per common share is the amount of net earnings (loss) for the period available to each weighted-average share of common stock outstanding during the reporting period. Diluted earnings (loss) per common share is the amount of earnings (loss) for the period available to each weighted-average share of common stock outstanding during the reporting period and to each share of potential common stock outstanding during the period, unless inclusion of potential common stock would have an anti-dilutive effect.

The following table sets forth the computation of basic and diluted earnings (loss) per common share:

	Three months ended September 30,					Nine months ended September 30,
	2017			2016		2017			2016
Numerator:
Net income (loss)	$	(9,276	)	$	1,209	$	(10,564	)	$	3,532
Denominator:
Basic weighted average shares outstanding		8,520,041			8,921,480		8,641,173			9,076,305
Dilutive common stock equivalents using treasury stock method		—			242,686		—			376,312
Diluted weighted average shares outstanding		8,520,041			9,164,165		8,641,173			9,452,616

Basic earnings (loss) per common share	$	(1.09	)	$	0.14	$	(1.22	)	$	0.39
Diluted earnings (loss) per common share	$	(1.09	)	$	0.13	$	(1.22	)	$	0.37

Weighted average options outstanding		782,012			832,766		832,953			900,687
Anti-dilutive options not included in the computations		782,012			312,372		832,953			312,477

Marketable Securities

9 Months Ended

Sep. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

3. Marketable Securities

The Company has classified its marketable securities as available-for-sale securities. These securities are carried at estimated fair value with unrealized holding gains and losses included in accumulated other comprehensive income (loss) in stockholders’ equity until realized. Gains and losses on marketable security transactions are reported on the specific-identification method. Dividend and interest income are recognized when earned.

The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of securities at September 30, 2017 and December 31, 2016 were as follows:

	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
September 30, 2017
Available-for-sale securities:
Corporate bonds and notes	$	14,446	$	65	$	(52	)	$	14,459
Municipal bonds		5,974		9		(9	)		5,974
Total available-for-sale securities	$	20,420	$	73	$	(61	)	$	20,433

	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
December 31, 2016
Available-for-sale securities:
Corporate bonds and notes	$	20,028	$	64	$	(122	)	$	19,970
Municipal bonds		6,463		6		(44	)		6,425
Total available-for-sale securities	$	26,491	$	70	$	(166	)	$	26,395

Maturities of marketable securities classified as available-for-sale securities were as follows at September 30, 2017:

	Amortized cost		Estimated fair value
September 30, 2017
Due within one year	$	3,945	$	3,953
Due after one year through five years		16,475		16,480
Total available-for-sale securities	$	20,420	$	20,433

Debt securities in an unrealized loss position as of September 30, 2017 were not deemed impaired at acquisition and subsequent declines in fair value are not deemed attributed to declines in credit quality. Management believes that it is more likely than not that the securities will receive a full recovery of par value, although there can be no assurance that such recovery will occur. The available-for-sale marketable securities with continuous gross unrealized loss position for less than 12 months and 12 months or greater and their related fair values were as follows:

	Less than 12 months					More than 12 months					Total
(In thousands)	Estimated fair value		Gross unrealized holding losses			Estimated fair value		Gross unrealized holding losses			Estimated fair value		Gross unrealized holding losses
As of September 30, 2017
Corporate bonds and notes	$	4,288	$	(24	)	$	2,148	$	(27	)	$	6,436	$	(51	)
Municipal bonds		3,157		(5	)		566		(5	)		3,723		(10	)
Total	$	7,445	$	(29	)	$	2,714	$	(32	)	$	10,159	$	(61	)

Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

4. Goodwill and Intangible Assets

Goodwill

There was a decrease in goodwill during the three and nine months ended September 30, 2017 from $12,724 as of December 31, 2016 to $0 as of September 30, 2017 due to the impairment of goodwill. During the three months ended September 30, 2017, there was a decrease in the Company’s market capitalization which was determined to be a triggering event for potential goodwill impairment. Accordingly, the Company performed a goodwill impairment analysis. The Company utilized the market capitalization to estimate the fair value. Our total stockholders’ equity exceeded the estimated fair value. The failure of step one of the goodwill impairment test triggered a step two impairment test. As a result of step two of the impairment test, the Company determined the implied fair value of goodwill and concluded that the carrying value of goodwill exceeded its implied fair value as of September 30, 2017. Accordingly, an impairment charge of $12,724, which represents a full impairment charge, was recognized in the three months ended September 30, 2017.

Intangible Assets

Intangible assets as of September 30, 2017 and December 31, 2016 consisted of the following:

	Estimated useful lives	September 30, 2017			December 31, 2016
Tradename	5 to 7 years	$	555		$	555
Patents and technological know-how	10 years		7,058			6,010
Proprietary software	3 to 15 years		2,981			4,341
Other	3 to 5 years		324			324
Total intangible assets			10,918			11,230
Accumulated amortization			(5,635	)		(5,553	)
Total intangible assets, net		$	5,283		$	5,677

The amortization of intangible assets for the three and nine months ended September 30, 2017 and 2016 was as follows:

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Amortization of intangible assets	$	231	$	328	$	699	$	458

During the three and nine months ended September 30, 2017 we recorded a $0.7 million charge for impairment of an intangible asset consisting of customer relationships.

The estimated future amortization expense of intangible assets is as follows:

Years ending December 31,
2017 (remainder)	$	246
2018		829
2019		725
2020		546
2021		546
Thereafter		2,391
	$	5,283

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Inventories

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

5. Inventories

Inventories, net of reserves, as of September 30, 2017 and December 31, 2016 consisted of the following:

	As of
	September 30, 2017		December 31, 2016
Current:
Raw materials	$	4,097	$	2,291
Finished goods		15,598		9,086
	$	19,695	$	11,377

Long-term:
Raw materials	$	423	$	599
Finished goods		2,023		1,065
	$	2,446	$	1,664

Long-term inventory represents inventory held in excess of our current (next 12 months) requirements based on our recent sales and forecasted level of sales. We expect to sell the above inventory, net of reserves, at or above the stated cost and believe that no loss will be incurred on its sale, although there can be no assurance of the timing or amount of any sales.

Current finished goods do not include distributor channel inventories in the amounts of approximately $1,394 and $1,530 as of September 30, 2017 and December 31, 2016, respectively. Distributor channel inventories represent inventories at distributors and other customers where revenue recognition criteria have not yet been achieved.

Net loss incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory during the three months ended September 30, 2016 was $328. During the three months ended September 30, 2017 there was no write off on the valuation of inventory.

Share-based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation

6. Share-based Compensation

Employee Stock Option Plans

The Company’s share-based incentive plans offering stock options primarily consists of two plans. Under both plans, one new share is issued for each stock option exercised. The plans are described below.

The Company’s 1998 Incentive Plan (the “1998 Plan”) was the Company’s primary plan through November 2007. Under this plan shares of common stock were made available for issuance to employees and directors. Through December 1999, 1,066,000 options were granted that would cliff vest after 9.8 years; however, such vesting was accelerated for 637,089 of these options upon meeting certain earnings per share goals through the fiscal year ended September 30, 2003. Subsequent to December 1999 and through March 2002, 1,248,250 options were granted that would cliff vest after 6.0 years; however, such vesting was accelerated for 300,494 of these options upon meeting certain earnings per share goals through the fiscal year ended September 30, 2005.

The Company’s 2007 Equity Incentive Plan (the “2007 Plan”) was restated and approved by the shareholders on December 12, 2015. Provisions of the restated 2007 Plan include the granting of up to 2,000,000 incentive and non-qualified stock options, stock appreciation rights, restricted stock and restricted stock units. Options may be granted to employees, officers, non-employee directors and other service providers and may be granted upon such terms as the Compensation Committee of the Board of Directors determines in their sole discretion.

Of the options granted subsequent to March 2002, all vesting schedules are based on 3 or 4-year vesting schedules, with either one-third or one-fourth vesting on the first anniversary and the remaining options vesting ratably over the remainder of the vesting term. Generally, directors and officers have 3-year vesting schedules and all other employees have 4-year vesting schedules. Additionally, in the event of a change in control or the occurrence of a corporate transaction, the Company’s Board of Directors has the authority to elect that all unvested options shall vest and become exercisable immediately prior to the event or closing of the transaction. All options outstanding as of September 30, 2017 had contractual lives of ten years.

Under the 1998 Plan, 2,500,000 shares were authorized for grant. As of September 30, 2017, there are no options outstanding under the 1998 Plan. The remaining 50,000 of these options were exercised on July 11, 2017.

As of September 30, 2017, there were 767,156 options outstanding under the 2007 Plan. As of September 30, 2017, the 2007 Plan had 471,500 authorized unissued options.

A summary of the stock option activity under the Company’s plans for the nine months ended September 30, 2017 is as follows:

	Number of shares			Weighted average exercise price

Options outstanding at beginning of year		850,232		$	8.06
Granted		105,000			9.90
Less:
Exercised		(178,662	)		5.90
Forfeited prior to vesting		(7,103	)		10.88
Canceled or expired		(2,311	)		9.68
Options outstanding at September 30, 2017		767,156			8.79
Options exercisable at end of September 30, 2017		502,940		$	7.71

As of September 30, 2017, the total remaining unrecognized compensation cost related to non-vested stock options, net of forfeitures, was approximately $975, which will be recognized over a weighted average period of 1.99 years.

Stock Option Repurchase

From March 11, 2016 to March 17, 2016, the Company offered to repurchase eligible vested options to purchase shares under the 1998 Plan and the 2007 Plan from employees. The Company repurchased delivered options at a repurchase price equal to the difference between the closing market price on the date of the employee’s communication of accepting the repurchase offer and the exercise price of such employee’s delivered options, subject to applicable withholding taxes and charges. The Company repurchased 225,542 stock options from employees at an average purchase price of $7.77.

Employee Stock Purchase Plan

The Company issues shares to employees under the Company’s 2014 Employee Stock Purchase Plan (the “ESPP”). The ESPP was approved by the Company’s shareholders on December 12, 2014. As of September 30, 2017, 471,160 of the originally approved 500,000 shares were available for offerings under the ESPP. Offering periods under the ESPP commence on each January 1 and July 1, and continue for a duration of six months. The ESPP is available to all employees who do not own, or not are deemed to own, shares of stock making up an excess of 5% of the combined voting power of the Company and its subsidiaries. During each offering period, each eligible employee may purchase shares under the ESPP after authorizing payroll deductions. Under the ESPP, each employee may purchase up to the lesser of 2,500 shares or $25 of fair market value (based on the established purchase price) of the Company’s stock for each offering period. Unless the employee has previously withdrawn from the offering, his or her accumulated payroll deductions will be used to purchase common stock on the last business day of the period at a price equal to 85% (or a 15% discount) of the fair market value of the common stock on the first or last day of the offering period, whichever is lower.

Share-based compensation expense related to ESPP has been recorded as follows:

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Cost of goods sold	$	5	$	7	$	16	$	18
Sales and marketing		10		15		31		42
Research and product development		25		40		80		106
General and administrative		122		113		341		328
	$	162	$	175	$	468	$	494

Shareholders' Equity

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Shareholders' Equity

7. Shareholders’ Equity

Stock Repurchase Program

On March 9, 2016, the Board of Directors of the Company authorized the repurchase of up to $10,000 of the Company’s outstanding shares of common stock under a stock repurchase program. In connection with the repurchase authorization, the Company was authorized to complete the repurchase through open market transactions or through an accelerated share repurchase program, in each case to be executed at management’s discretion based on business and market conditions, stock price, trading restrictions, acquisition activity and other factors. The repurchase program may be suspended or discontinued at any time without prior notice. The transactions effectuated to date occurred in open market purchases.

On March 1, 2017, the Board of Directors of the Company renewed and extended the repurchase program for up to an additional $10,000 of common stock over the next twelve months. In connection with the repurchase extension authorization, the Company was authorized to complete the repurchase through open market transactions or through an accelerated share repurchase program, in each case to be executed at management’s discretion based on business and market conditions, stock price, trading restrictions, acquisition activity and other factors. The repurchase program may be suspended or discontinued at any time without prior notice. The transactions effectuated to date occurred in open market purchases.

Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (in $ millions)
July 2017		11,794	$	9.69		11,794	$	7.6
August 2017		37,247		7.77		37,247		7.3
September 2017		90,529		7.62		90,529		6.6
Total		139,570		7.84		139,570

Cash Dividends

On August 7, 2017, the Company declared a cash dividend of $0.07 per share of ClearOne common stock paid September 7, 2017 to shareholders of record as of August 22, 2017.

Changes in Shareholders’ Equity

The following table summarizes the change in shareholders’ equity during the three and nine months ended September 30, 2017 and 2016, respectively:

	Three months ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
Balance at the beginning of the period	$	72,444		$	79,783		$	77,449		$	82,569
Exercise of stock options, restricted stock and stock option cancelled		(113	)		238			(226	)		671
Stock repurchased		(1,094	)		(1,024	)		(4,151	)		(5,139	)
Options repurchased		—			—			—			(1,752	)
Proceeds from stock purchase plan		15			21			55			65
Dividends		(599	)		(449	)		(1,650	)		(1,373	)
Share-based compensation		174			175			514			494
Tax benefit - stock option exercise		—			33			—			690
Unrealized gain or loss on investments, net of tax		10			(38	)		68			179
Foreign currency translation adjustment		23			7			88			19
Net income/(loss) during the period		(9,276	)		1,209			(10,564	)		3,532
Balance at end of the period	$	61,584		$	79,955		$	61,584		$	79,955

Fair Value Measurements

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

8. Fair Value Measurements

The fair value of the Company’s financial instruments reflects the amounts that the Company estimates it will receive in connection with the sale of an asset or pay in connection with the transfer of a liability in an orderly transaction between market participants at the measurement date (exit price). The fair value hierarchy prioritizes the use of inputs used in valuation techniques into the following three levels:

Level 1 - Quoted prices in active markets for identical assets and liabilities.

Level 2 - Observable inputs other than quoted prices in active markets for identical assets and liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. This category generally includes U.S. Government and agency securities; municipal securities; mutual funds and securities sold and not yet settled.

Level 3 - Unobservable inputs.

The substantial majority of the Company’s financial instruments are valued using observable input. The following table sets forth the fair value of the financial instruments re-measured by the Company as of September 30, 2017 and December 31, 2016:

	Level 1		Level 2		Level 3		Total
September 30, 2017
Corporate bonds and notes	$	—	$	14,459	$	—	$	14,459
Municipal bonds		—		5,974		—		5,974
Total	$	—	$	20,433	$	—	$	20,433

	Level 1		Level 2		Level 3		Total
December 31, 2016
Corporate bonds and notes	$	—	$	19,970	$	—	$	19,970
Municipal bonds		—		6,425		—		6,425
Total	$	—	$	26,395	$	—	$	26,395

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Income Taxes

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Taxes

9. Income Taxes

The Company’s forecasted effective tax benefit rate at September 30, 2017 is 36.1%, a 0.9% decrease from the 37.0% effective tax rate recorded at December 31, 2016. The forecasted effective tax benefit rate of 36.1% excludes jurisdictions for which no benefit from forecasted current year losses is anticipated. Including losses from such jurisdictions results in a forecasted effective tax benefit rate of 30.1%. Our forecasted effective tax rate could fluctuate significantly on a quarterly basis and could change, to the extent that earnings in countries with tax rates that differ from that of the U.S. differ from amounts anticipated at September 30, 2017.

After a discrete tax expense of $145, the effective tax benefit rate for the quarter ended September 30, 2017 is 29.0%. The discrete tax expense of $145 is primarily attributable to changes in income tax reserves related to research and development tax credits.

Subsequent Events

9 Months Ended

Sep. 30, 2017

Subsequent Events [Abstract]

Subsequent Events

10. Subsequent Events

On November 8, 2017 the Company announced a quarterly cash dividend for the third quarter of 2017 at $0.07 per share to be paid on December 6, 2017 to shareholders of record as of November 22, 2017.

Business Description, Basis of Presentation and Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business Description	*Business Description:* ClearOne, Inc., together with its subsidiaries (collectively, “ClearOne” or the “Company”), is a global company that designs, develops and sells conferencing, collaboration, streaming and digital signage solutions for audio and visual communications. The performance and simplicity of its advanced comprehensive solutions offer unprecedented levels of functionality, reliability and scalability.
Basis of Presentation	*Basis of Presentation:* The fiscal year for ClearOne is the 12 months ending on December 31^st. The consolidated financial statements include the accounts of ClearOne and its subsidiaries. All significant inter-company accounts and transactions have been eliminated. These accompanying interim unaudited condensed consolidated financial statements have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and are not audited. Certain information and footnote disclosures that are usually included in financial statements prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) have been either condensed or omitted in accordance with SEC rules and regulations. The accompanying condensed consolidated financial statements contain all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of our financial position as of September 30, 2017 and December 31, 2016, the results of operations for the three and nine months ended September 30, 2017 and 2016, and the cash flows for the nine months ended September 30, 2017 and 2016. The results of operations for the three months and nine months ended September 30, 2017 and 2016 are not necessarily indicative of the results for a full-year period. These interim unaudited condensed consolidated financial statements should be read in conjunction with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the SEC.
Significant Accounting Policies	*Significant Accounting Policies:* The significant accounting policies were described in Note 1 to the audited consolidated financial statements included in the Company’s annual report on Form 10-K for the year ended December 31, 2016. There have been no changes to these policies during the nine months ended September 30, 2017 that are of significance or potential significance to the Company except for the treatment of patent defense costs described below.
Patent Defense Costs	*Patent Defense Costs -* The Company relies on patents and proprietary technology and seeks patent protection for products and production methods. The Company capitalizes external legal costs incurred in the defense of its patents when it believes that a future economic benefit will result from the defense and a successful outcome of the legal action is probable. These costs are amortized over the remaining estimated useful life of the patent, which is 15 to 17 years. The Company’s assessment of future economic benefit and/or the successful outcome of legal action related to patent defense involves considerable management judgment and a different outcome could result in material write-offs of the carrying value of these assets.
Recent Accounting Pronouncements	*Recent Accounting Pronouncements:* In May 2014, the FASB released Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), requiring an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The updated standard will replace most existing revenue recognition guidance in U.S. GAAP when it becomes effective and permits the use of either a full retrospective or retrospective with cumulative effect transition method. We plan to adopt the standard when it becomes effective for us beginning January 1, 2018. We currently anticipate adopting the standard using the modified retrospective method with a cumulative catch up adjustment and providing additional disclosures comparing results to previous rules. We continue to evaluate the impact of the new standard on our consolidated financial statements but anticipate this standard will have a material impact on our consolidated financial statements. In February 2016, the FASB released ASU No. 2016-02, Leases (Topic 842) to bring transparency to lessee balance sheets. The ASU will require organizations that lease assets (lessees) to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. The standard will apply to both types of leases-capital (or finance) leases and operating leases. Previously, GAAP has required only capital leases to be recognized on lessee balance sheets. The standard is effective for fiscal years beginning after December 15, 2018 and interim periods within fiscal years beginning after December 15, 2018. Early application will be permitted for all organizations. The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on the consolidated financial statements. In March 2016, the FASB released ASU No. 2016-09, Compensation - Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The standard is intended to simplify several areas of accounting for share-based compensation arrangements, including the income tax impact, classification on the statement of cash flows and forfeitures. ASU 2016-09 was effective for the Company on January 1, 2017. As a result of the adoption of ASU 2016-09, excess tax benefits or deficiencies related to stock-based compensation are now reflected in the Consolidated Statements of Operations as a component of the provision for income taxes, whereas they previously were recognized in additional paid-in capital. In addition, our Consolidated Statements of Cash Flows will now present, on a prospective basis, excess tax benefits as an operating activity. Finally, we have elected to account for forfeitures as they occur, rather than estimate expected forfeitures. In August 2016, the FASB released ASU No. 2016-15, Classification of Certain Cash Receipts and Cash Payments, which addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective for the Company beginning January 1, 2018 and we are currently evaluating the impact that ASU 2016-15 will have on our consolidated financial statements. In May 2017, the FASB issued ASU No. 2017-09, Compensation—Stock Compensation (Topic 718): Scope of Modification Accounting. The new guidance provides clarity and reduces both (1) diversity in practice and (2) cost and complexity when applying the guidance in Topic 718, Compensation—Stock Compensation, to a change to the terms or conditions of a share-based payment award. The accounting standard update will be effective for The Company beginning January 1, 2018 on a prospective basis, and early adoption is permitted. The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on the consolidated financial statements.

Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following table sets forth the computation of basic and diluted earnings (loss) per common share:

	Three months ended September 30,					Nine months ended September 30,
	2017			2016		2017			2016
Numerator:
Net income (loss)	$	(9,276	)	$	1,209	$	(10,564	)	$	3,532
Denominator:
Basic weighted average shares outstanding		8,520,041			8,921,480		8,641,173			9,076,305
Dilutive common stock equivalents using treasury stock method		—			242,686		—			376,312
Diluted weighted average shares outstanding		8,520,041			9,164,165		8,641,173			9,452,616

Basic earnings (loss) per common share	$	(1.09	)	$	0.14	$	(1.22	)	$	0.39
Diluted earnings (loss) per common share	$	(1.09	)	$	0.13	$	(1.22	)	$	0.37

Weighted average options outstanding		782,012			832,766		832,953			900,687
Anti-dilutive options not included in the computations		782,012			312,372		832,953			312,477

Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
September 30, 2017
Available-for-sale securities:
Corporate bonds and notes	$	14,446	$	65	$	(52	)	$	14,459
Municipal bonds		5,974		9		(9	)		5,974
Total available-for-sale securities	$	20,420	$	73	$	(61	)	$	20,433

	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
December 31, 2016
Available-for-sale securities:
Corporate bonds and notes	$	20,028	$	64	$	(122	)	$	19,970
Municipal bonds		6,463		6		(44	)		6,425
Total available-for-sale securities	$	26,491	$	70	$	(166	)	$	26,395

Schedule of Maturities of Marketable Securities

Maturities of marketable securities classified as available-for-sale securities were as follows at September 30, 2017:

	Amortized cost		Estimated fair value
September 30, 2017
Due within one year	$	3,945	$	3,953
Due after one year through five years		16,475		16,480
Total available-for-sale securities	$	20,420	$	20,433

Schedule of Available-for-sale Securities

The available-for-sale marketable securities with continuous gross unrealized loss position for less than 12 months and 12 months or greater and their related fair values were as follows:

	Less than 12 months					More than 12 months					Total
(In thousands)	Estimated fair value		Gross unrealized holding losses			Estimated fair value		Gross unrealized holding losses			Estimated fair value		Gross unrealized holding losses
As of September 30, 2017
Corporate bonds and notes	$	4,288	$	(24	)	$	2,148	$	(27	)	$	6,436	$	(51	)
Municipal bonds		3,157		(5	)		566		(5	)		3,723		(10	)
Total	$	7,445	$	(29	)	$	2,714	$	(32	)	$	10,159	$	(61	)

Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets as of September 30, 2017 and December 31, 2016 consisted of the following:

	Estimated useful lives	September 30, 2017			December 31, 2016
Tradename	5 to 7 years	$	555		$	555
Patents and technological know-how	10 years		7,058			6,010
Proprietary software	3 to 15 years		2,981			4,341
Other	3 to 5 years		324			324
Total intangible assets			10,918			11,230
Accumulated amortization			(5,635	)		(5,553	)
Total intangible assets, net		$	5,283		$	5,677

Schedule of Amortization of Intangible Assets

The amortization of intangible assets for the three and nine months ended September 30, 2017 and 2016 was as follows:

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Amortization of intangible assets	$	231	$	328	$	699	$	458

Schedule of Estimated Future Amortization Expense of Intangible Assets

The estimated future amortization expense of intangible assets is as follows:

Years ending December 31,
2017 (remainder)	$	246
2018		829
2019		725
2020		546
2021		546
Thereafter		2,391
	$	5,283

Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Net of Reserves

Inventories, net of reserves, as of September 30, 2017 and December 31, 2016 consisted of the following:

	As of
	September 30, 2017		December 31, 2016
Current:
Raw materials	$	4,097	$	2,291
Finished goods		15,598		9,086
	$	19,695	$	11,377

Long-term:
Raw materials	$	423	$	599
Finished goods		2,023		1,065
	$	2,446	$	1,664

Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Option Activity

A summary of the stock option activity under the Company’s plans for the nine months ended September 30, 2017 is as follows:

	Number of shares			Weighted average exercise price

Options outstanding at beginning of year		850,232		$	8.06
Granted		105,000			9.90
Less:
Exercised		(178,662	)		5.90
Forfeited prior to vesting		(7,103	)		10.88
Canceled or expired		(2,311	)		9.68
Options outstanding at September 30, 2017		767,156			8.79
Options exercisable at end of September 30, 2017		502,940		$	7.71

Schedule of Share-based Compensation Expense

Share-based compensation expense related to ESPP has been recorded as follows:

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Cost of goods sold	$	5	$	7	$	16	$	18
Sales and marketing		10		15		31		42
Research and product development		25		40		80		106
General and administrative		122		113		341		328
	$	162	$	175	$	468	$	494

Shareholders’ Equity (Tables)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Schedule of Current Stock Repurchase Program

The transactions effectuated to date occurred in open market purchases.

Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (in $ millions)
July 2017		11,794	$	9.69		11,794	$	7.6
August 2017		37,247		7.77		37,247		7.3
September 2017		90,529		7.62		90,529		6.6
Total		139,570		7.84		139,570

Summary of Change in Shareholders' Equity

The following table summarizes the change in shareholders’ equity during the three and nine months ended September 30, 2017 and 2016, respectively:

	Three months ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
Balance at the beginning of the period	$	72,444		$	79,783		$	77,449		$	82,569
Exercise of stock options, restricted stock and stock option cancelled		(113	)		238			(226	)		671
Stock repurchased		(1,094	)		(1,024	)		(4,151	)		(5,139	)
Options repurchased		—			—			—			(1,752	)
Proceeds from stock purchase plan		15			21			55			65
Dividends		(599	)		(449	)		(1,650	)		(1,373	)
Share-based compensation		174			175			514			494
Tax benefit - stock option exercise		—			33			—			690
Unrealized gain or loss on investments, net of tax		10			(38	)		68			179
Foreign currency translation adjustment		23			7			88			19
Net income/(loss) during the period		(9,276	)		1,209			(10,564	)		3,532
Balance at end of the period	$	61,584		$	79,955		$	61,584		$	79,955

Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

The following table sets forth the fair value of the financial instruments re-measured by the Company as of September 30, 2017 and December 31, 2016:

	Level 1		Level 2		Level 3		Total
September 30, 2017
Corporate bonds and notes	$	—	$	14,459	$	—	$	14,459
Municipal bonds		—		5,974		—		5,974
Total	$	—	$	20,433	$	—	$	20,433

	Level 1		Level 2		Level 3		Total
December 31, 2016
Corporate bonds and notes	$	—	$	19,970	$	—	$	19,970
Municipal bonds		—		6,425		—		6,425
Total	$	—	$	26,395	$	—	$	26,395

Business Description, Basis of Presentation and Significant Accounting Policies (Details Narrative) - Patents [Member]	9 Months Ended
	Sep. 30, 2017
Minimum [Member]
Estimated useful life	15 years
Maximum [Member]
Estimated useful life	17 years

Earnings (Loss) Per Share - Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Net income (loss)	$ (9,276)	$ 1,209	$ (10,564)	$ 3,532
Basic weighted average shares outstanding	8,520,041	8,921,480	8,641,173	9,076,305
Dilutive common stock equivalents using treasury stock method		242,686		376,312
Diluted weighted average shares outstanding	8,520,041	9,164,165	8,641,173	9,452,616
Basic earnings (loss) per common share	$ (1.09)	$ 0.14	$ (1.22)	$ 0.39
Diluted earnings (loss) per common share	$ (1.09)	$ 0.13	$ (1.22)	$ 0.37
Weighted average options outstanding	782,012	832,766	832,953	900,687
Anti-dilutive options not included in the computations	782,012	312,372	832,953	312,477

Marketable Securities - Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Amortized cost	$ 20,420	$ 26,491
Gross unrealized holding gains	73	70
Gross unrealized holding losses	(60)	(166)
Estimated fair value	20,433	26,395
Corporate Bonds and Notes [Member]
Amortized cost	14,446	20,028
Gross unrealized holding gains	65	64
Gross unrealized holding losses	(52)	(122)
Estimated fair value	14,459	19,970
Municipal Bonds [Member]
Amortized cost	5,974	6,463
Gross unrealized holding gains	8	6
Gross unrealized holding losses	(8)	(44)
Estimated fair value	$ 5,974	$ 6,425

Marketable Securities - Schedule of Maturities of Marketable Securities (Details) $ in Thousands	Sep. 30, 2017 USD ($)
Investments, Debt and Equity Securities [Abstract]
Amortized cost Due within one year	$ 3,945
Amortized cost Due after one year through five years	16,475
Amortized cost Total available-for-sale securities	20,420
Estimated fair value Due within one year	3,953
Estimated fair value Due after one year through five years	16,480
Estimated fair value Total available-for-sale securities	$ 20,433

Marketable Securities - Schedule of Available-for-sale Securities (Details) $ in Thousands	Sep. 30, 2017 USD ($)
Less than 12 Months - Estimated Fair Value	$ 7,445
Less than 12 Months - Gross Unrealized Holding Losses	(29)
More than 12 Months - Estimated Fair Value	2,714
More than 12 Months - Gross Unrealized Holding Losses	(31)
Total Estimated Fair Value	10,159
Total Gross Unrealized Holding Losses	(60)
Corporate Bonds and Notes [Member]
Less than 12 Months - Estimated Fair Value	4,288
Less than 12 Months - Gross Unrealized Holding Losses	(24)
More than 12 Months - Estimated Fair Value	2,148
More than 12 Months - Gross Unrealized Holding Losses	(27)
Total Estimated Fair Value	6,436
Total Gross Unrealized Holding Losses	(51)
Municipal Bonds [Member]
Less than 12 Months - Estimated Fair Value	3,157
Less than 12 Months - Gross Unrealized Holding Losses	(5)
More than 12 Months - Estimated Fair Value	566
More than 12 Months - Gross Unrealized Holding Losses	(4)
Total Estimated Fair Value	3,723
Total Gross Unrealized Holding Losses	$ (9)

Goodwill and Intangible Assetsl (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill					$ 12,724
Goodwill, impairment loss	12,724		12,724
Impairment of an intangible asset	$ 736		$ 736

Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Total intangible assets	$ 10,918	$ 11,230
Accumulated amortization	(5,635)	(5,553)
Total intangible assets, net	5,283	5,677
Trade Name [Member]
Total intangible assets	$ 555	555
Trade Name [Member] \| Minimum [Member]
Estimated useful lives	5 years
Trade Name [Member] \| Maximum [Member]
Estimated useful lives	7 years
Patents and Technological Know-how [Member]
Estimated useful lives	10 years
Total intangible assets	$ 7,058	6,010
Proprietary Software [Member]
Total intangible assets	$ 2,981	4,341
Proprietary Software [Member] \| Minimum [Member]
Estimated useful lives	3 years
Proprietary Software [Member] \| Maximum [Member]
Estimated useful lives	15 years
Other Intangible Assets [Member]
Total intangible assets	$ 324	$ 324
Other Intangible Assets [Member] \| Minimum [Member]
Estimated useful lives	3 years
Other Intangible Assets [Member] \| Maximum [Member]
Estimated useful lives	5 years

Goodwill and Intangible Assets - Schedule of Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ (231)	$ 328	$ 699	$ 458

Goodwill and Intangible Assets - Schedule of Estimated Future Amortization Expense of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
2017 (remainder)	$ 246
2018	829
2019	725
2020	546
2021	546
Thereafter	2,391
Finite-Lived Intangible Assets, Net	$ 5,283	$ 5,677

Inventories (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Inventories (Details Narrative) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Inventory Disclosure [Abstract]
Current finished goods do not include distributor channel inventories amount	$ 1,394		$ 1,394		$ 1,530
Losses incurred on valuation of inventory and write-off of obsolete inventory		$ 328		$ 458

Inventories - Schedule of Inventory, Net of Reserves (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 4,097	$ 2,291
Finished goods	15,598	9,086
Current Inventories	19,695	11,377
Raw materials	423	599
Finished goods	2,023	1,065
Long-term Inventories	$ 2,446	$ 1,664

Share-based Compensation (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended	9 Months Ended		28 Months Ended
	Jul. 11, 2017	Mar. 17, 2016	Sep. 30, 2005	Dec. 31, 1999	Sep. 30, 2017	Sep. 30, 2003	Mar. 31, 2002	Dec. 31, 2016	Dec. 12, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted					105,000
Stock options vesting description					The options granted subsequent to March 2002, all vesting schedules are based on 3 or 4-year vesting schedules, with either one-third or one-fourth vesting on the first anniversary and the remaining options vesting ratably over the remainder of the vesting term. Generally, directors and officers have 3-year vesting schedules and all other employees have 4-year vesting schedules. Additionally, in the event of a change in control or the occurrence of a corporate transaction, the Company’s Board of Directors has the authority to elect that all unvested options shall vest and become exercisable immediately prior to the event or closing of the transaction.
Number of stock options shares outstanding					767,156			850,232
Number of share options exercised					(178,662)
Unrecognized compensation cost related to non-vested stock options, net of forfeitures					$ 975
Recognized over weighted average period					1 year 11 months 26 days
Stock options repurchased during the period					139,570
Percentage of shares excess of combined voting power of parents and subsidiary					5.00%
Number of stock options shares purchased under the plan during the period					2,500
Number of stock options fair value purchased under the plan during the period					$ 25
Percentage of common stock purchase of period at price equal to fair market value					85.00%
Percentage of fair value of common stock discount					15.00%
1998 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted				1,066,000			1,248,250
Stock options vested period				9 years 9 months 18 days			6 years
Stock options accelerated vesting shares			300,494			637,089
Maximum number of stock options grants					2,500,000
Number of stock options shares outstanding
Number of share options exercised	50,000
2007 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of stock options grants									2,000,000
Number of stock options shares outstanding					767,156
Number of stock options shares authorized and unissued					471,500
1998 Incentive Plan and 2007 Equity Incentive Plan [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options repurchased during the period		225,542
Stock option average purchase price per share		$ 7.77
2014 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted					471,160
Number of shares available for offerings					500,000

Share-based Compensation - Schedule of Stock Options Activity (Details)	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of shares Options, Outstanding at beginning of quarter \| shares	850,232
Number of shares Options, Granted \| shares	105,000
Number of shares Options, Exercised \| shares	(178,662)
Number of shares Options, Forfeited prior to vesting \| shares	(7,103)
Number of shares Options, Canceled or expired \| shares	(2,311)
Number of shares Options, Outstanding at end of quarter \| shares	767,156
Number of shares Options, Exercisable at end of quarter \| shares	502,940
Weighted Average Exercise Price, Outstanding at beginning of quarter \| $ / shares	$ 8.06
Weighted Average Exercise Price, Granted \| $ / shares	9.90
Weighted Average Exercise Price, Exercised \| $ / shares	5.90
Weighted Average Exercise Price, Forfeited prior to vesting \| $ / shares	10.88
Weighted Average Exercise Price, Canceled or expired \| $ / shares	9.68
Weighted Average Exercise Price, Outstanding at end of quarter \| $ / shares	8.79
Weighted Average Exercise Price, Exercisable at end of Period \| $ / shares	$ 7.71

Share-based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based compensation expense	$ 162	$ 175	$ 514	$ 494
Cost of Goods Sold [Member]
Share-based compensation expense	5	7	16	18
Sales and Marketing [Member]
Share-based compensation expense	10	15	31	42
Research and Product Development [Member]
Share-based compensation expense	25	40	80	106
General and Administrative [Member]
Share-based compensation expense	$ 122	$ 113	$ 341	$ 328

Shareholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Aug. 07, 2017	Mar. 02, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 09, 2016
Stock repurchased during period, value		$ 10,000	$ (1,094)	$ (1,024)	$ (4,151)	$ (5,139)
Dividend price per share	$ 0.07
Dividend paid date	Jul. 07, 2017
Dividend record date	Aug. 22, 2017
New Stock Repurchase Program [Member] \| Board of Directors [Member]
Stock repurchase program, authorized amount							$ 10

Shareholders' Equity - Schedule of Current Stock Repurchase Program (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares
Total Number of Shares Purchased	139,570
Average Price Paid per Share \| $ / shares	$ 7.84
Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	139,570
July 2017 [Member]
Total Number of Shares Purchased	11,794
Average Price Paid per Share \| $ / shares	$ 9.69
Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	11,794
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs \| $	$ 7,600
August 2017 [Member]
Total Number of Shares Purchased	37,247
Average Price Paid per Share \| $ / shares	$ 7.77
Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	37,247
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs \| $	$ 7,300
September 2017 [Member]
Total Number of Shares Purchased	90,529
Average Price Paid per Share \| $ / shares	$ 7.62
Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	90,529
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs \| $	$ 6,600

Shareholders' Equity - Summary of Change in Shareholders' Equity (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 02, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Shareholders Equity - Summary Of Change In Shareholders Equity Details
Balance at the beginning of the period		$ 72,444	$ 79,783	$ 77,449	$ 82,569
Exercise of stock options, restricted stock and stock option cancelled		(113)	238	(225)	671
Stock repurchased	$ 10,000	(1,094)	(1,024)	(4,151)	(5,139)
Options repurchased					(1,752)
Proceeds from stock purchase plan		15	21	55	65
Dividends		(599)	(449)	(1,650)	(1,373)
Share-based compensation		174	175	514	494
Tax benefit - stock option exercise			33		690
Unrealized gain or loss on investments, net of tax		10	(38)	68	179
Foreign currency translation adjustment		23	7	88	19
Net income/(loss) during the period		(9,276)	1,209	(10,564)	3,532
Balance at end of the period		$ 61,584	$ 79,955	$ 61,584	$ 79,955

Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	$ 20,433	$ 26,395
Corporate Bonds and Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	14,459	19,970
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	5,974	6,425
Fair Value, Inputs, Level 1 [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure
Fair Value, Inputs, Level 1 [Member] \| Corporate Bonds and Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure
Fair Value, Inputs, Level 1 [Member] \| Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure
Fair Value, Inputs, Level 2 [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	20,433	26,395
Fair Value, Inputs, Level 2 [Member] \| Corporate Bonds and Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	14,459	19,970
Fair Value, Inputs, Level 2 [Member] \| Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure	5,974	6,425
Fair Value, Inputs, Level 3 [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] \| Corporate Bonds and Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure
Fair Value, Inputs, Level 3 [Member] \| Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Fair Value Disclosure

Income Taxes (Details Narrative) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Income Taxes (Details Narrative) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Effective tax rate, forecasted	36.10%
Effective income tax rate, continuing operations, forecasted (increase) decrease in rate	0.90%
Effective income tax rate, continuing operations		37.00%
Effective tax rate, including loss jurisdictions		30.10%
Unrecognized tax benefits that would impact effective tax rate	$ 145
Effective tax rate, after discreet benefits	29.00%

Subsequent Events (Details Narrative) - $ / shares	Nov. 08, 2017	Aug. 07, 2017
Dividend paid date		Jul. 07, 2017
Dividend record date		Aug. 22, 2017
Subsequent Event [Member]
Dividend price per share	$ 0.07
Dividend paid date	Dec. 06, 2017
Dividend record date	Nov. 22, 2017