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Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2013	May 03, 2013
Document Information [Line Items]
Entity Registrant Name	CLEARONE INC
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
Entity Central Index Key	0000840715
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		9,105,029
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 42,580	$ 55,509
Receivables, net of allowance for doubtful accounts of $60 and $60, respectively	7,927	8,388
Inventories, net	11,604	10,873
Deferred income taxes	3,148	3,148
Prepaid expenses and other assets	1,793	1,369
Total current assets	67,052	79,287
Long-term inventories, net	1,813	1,955
Property and equipment, net	1,790	1,708
Intangibles, net	4,115	4,258
Goodwill	3,472	3,472
Deferred income taxes	1,195	1,195
Other assets	62	64
Total assets	79,499	91,939
Current Liabilities:
Accounts payable	3,912	2,302
Accrued liabilities	2,005	2,143
Income taxes payable	0	14,782
Deferred product revenue	4,192	3,593
Total current liabilities	10,109	22,820
Deferred rent	401	422
Other long-term liabilities	2,029	2,029
Total liabilities	12,539	25,271
Shareholders' equity:
Common stock, par value $0.001, 50,000,000 shares authorized, 9,105,029 and 9,163,462 shares issued and outstanding as of December 31, 2012 and 2011, respectively	9	9
Additional paid-in capital	39,991	40,430
Retained earnings	26,960	26,229
Total shareholders' equity	66,960	66,668
Total liabilities and shareholders' equity	$ 79,499	$ 91,939

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Allowance for doubtful accounts	$ 60	$ 60
Common Stock:
Par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, sharse issued (in shares)	9,105,029	9,163,462
Common stock, shares outstanding (in shares)	9,105,029	9,163,462

Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 11,293	$ 10,154
Cost of goods sold	4,294	4,046
Gross profit	6,999	6,108
Operating expenses:
Sales and marketing	2,267	2,134
Research and product development	1,866	2,008
General and administrative	1,797	1,480
Proceeds from litigation, net	0	(250)
Total operating expenses	5,930	5,372
Operating income	1,069	736
Other income (expense), net	(14)	16
Income before income taxes	1,055	752
Provision for income taxes	324	274
Net income	$ 731	$ 478
Basic earnings per common share	$ 0.08	$ 0.05
Diluted earnings per common share	$ 0.08	$ 0.05
Basic weighted average shares outstanding	9,152,859	9,098,152
Diluted weighted average shares outstanding	9,394,181	9,246,310

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 731	$ 478
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization expense	323	329
Amortization of deferred rent	(15)	(17)
Stock-based compensation expense	59	51
Provision for (recoveries of) doubtful accounts, net	27	(59)
Inventory valuation reserve adjustments	(34)	90
Changes in operating assets and liabilities:
Receivables	434	1,416
Inventories	(555)	(2,224)
Deferred income taxes	0	(10)
Prepaid expenses and other assets	(138)	(157)
Accounts payable	1,410	(984)
Accrued liabilities	(144)	309
Income taxes payable	(15,066)	(1,064)
Deferred product revenue	599	418
Other long-term liabilities	0	15
Net cash provided by operating activities	(12,369)	(1,409)
Cash flows from investing activities:
Payment towards business acquisitions	0	(4,632)
Purchase of property and equipment	(62)	(65)
Net cash used in investing activities	(62)	(4,697)
Cash flows from financing activities:
Proceeds from the exercise of stock options	76	0
Treasury stock purchased	(574)	0
Net cash provided by (used in) financing activities	(498)	0
Net increase in cash and cash equivalents	(12,929)	(6,106)
Cash and cash equivalents at the beginning of the period	55,509	16,683
Cash and cash equivalents at the end of the period	42,580	10,577
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 15,346	$ 1,378

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - Suppplemental Cash Flow Disclosure - VCON Video Conferencing, Ltd. (VCON) [Member] - USD ($) $ in Thousands	Mar. 31, 2013	Mar. 31, 2012
Other Significant Noncash Transactions [Line Items]
Inventory	$ 0	$ 40
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	0	34
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Product Warranty Accrual	0	(8)
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	0	2,247
Business Acquisition, Purchase Price Allocation, Goodwill Amount	0	2,319
Business Acquisition, Cost of Acquired Entity, Cash Paid	$ 0	$ 4,632

Business Description, Basis of Presentation and Significant Accounting Policies Business Description, Basis of Presentation and Significant Accounting Policies (Notes)

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]

Business Description, Basis of Presentation and Significant Accounting Policies

Business Description:

ClearOne, Inc. and its subsidiaries (collectively, “ClearOne” or the “Company”) are 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 condensed consolidated financial statements for the three months ended March 31, 2013 and 2012, respectively, 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 consolidated financial statements contain all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of our financial position as of March 31, 2013 and December 31, 2012, the results of operations for the three months ended March 31, 2013 and 2012, and the statements of cash flows for the three months ended March 31, 2013 and 2012. The results of operations for the three months ended March 31, 2013 and 2012 are not necessarily indicative of the results for a full-year period. These interim 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, 2012 filed with the SEC.

Significant Accounting Policies:

The significant accounting policies were described in Note 2 to the audited consolidated financial statements included in the Company’s annual report on Form 10-K for the year ended December 31, 2012. There have been no changes to these policies during the three months ended March 31, 2013 that are of significance or potential significance to the Company.

Warranty Costs – The Company accrues for warranty costs based on estimated warranty return rates and estimated costs to repair. Factors that affect the Company’s warranty liability include the number of units sold, historical and anticipated rates of warranty returns, and repair cost. The Company reviews the adequacy of its recorded warranty accrual on a quarterly basis.

The details of changes in the Company’s warranty accrual are as follows:



	March 31, 2013			December 31, 2012
Balance at the beginning of year	$	385		$	467
Warranty accruals/additions	132			443
Warranty usage	(132		)	(525		)
Balance at end of period	$	385		$	385

Earnings Per Share – The following table sets forth the computation of basic and diluted earnings per common share:



	Three months ended March 31,
	2013		2012
Numerator:
Net income	$	731	$	478
Denominator:
Basic weighted average shares outstanding	9,152,859		9,098,152
Dilutive common stock equivalents using treasury stock method	241,322		148,158
Diluted weighted average shares outstanding	9,394,181		9,246,310

Basic earnings per common share	$	0.08	$	0.05
Diluted earnings per common share	$	0.08	$	0.05

Weighted average options outstanding	1,128,483		1,163,526
Anti-dilutive options not included in the computations	208,957		563,237

Business Combination, Goodwill and Intangibles

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Intangible Assets Disclosure [Text Block]

Intangible Assets

Intangible assets as of March 31, 2013 and December 31, 2012 consisted of the following:



	Estimated useful lives	March 31, 2013			December 31, 2012
Tradename	7 years	$	435		$	435
Patents and technological know-how	10 years	2,070			2,070
Proprietary software	3 to 15 years	2,961			2,961
In-process research and development	Indefinite	159			159
Other	5 years	49			49
		5,674			5,674
Accumulated amortization		(1,559		)	(1,416		)
		$	4,115		$	4,258

The amortization of intangibles with finite lives as of March 31, 2013 and March 31, 2012 was as follows:



	Three months ended March 31,
	2013		2012
Amortization of intangibles with finite lives	$	143	$	102

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



Years ending December 31,
2013 (remainder)	$	390
2014	528
2015	483
2016	446
2017	357
Thereafter	1,752
	$	3,956

Inventories

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories, net of reserves, as of March 31, 2013 and December 31, 2012 consisted of the following:



	March 31, 2013		December 31, 2012
Current:
Raw materials	$	936	$	734
Finished goods	10,668		10,139
	$	11,604	$	10,873
Long-term:
Raw materials	$	857	$	891
Finished goods	956		1,064
	$	1,813	$	1,955

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.

Current finished goods include consigned inventory in the amounts of approximately $1,568 and $1,289 as of March 31, 2013 and December 31, 2012, respectively. Consigned inventory represents inventory at distributors and other customers where revenue recognition criteria have not yet been achieved.

The following table summarizes the losses incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory during the three months ended March 31, 2013 and 2012, respectively.



	Three months ended March 31,
	2013		2012
Losses incurred on valuation of inventory and write-off of obsolete inventory	$	—	$	90

Share-Based Payments

3 Months Ended

Mar. 31, 2013

Shareholders' Equity and Share-based Payments [Abstract]

Share-Based Compensation

Share-based Compensation

Share-based compensation expense has been recorded as follows:



	Three months ended March 31,
	2013		2012
Cost of goods sold	$	2	$	1
Sales and marketing	15		13
Research and product development	11		7
General and administrative	31		30
	$	59	$	51

As of March 31, 2013, the total remaining unrecognized compensation cost related to non-vested stock options, net of forfeitures, was approximately $493, which will be recognized over a weighted average period of 2.56 years.

During the three months ended March 31, 2013 and 2012, we granted 0 and 30,000 stock options, respectively. We use judgment in determining the fair value of the share-based payments on the date of grant using an option-pricing model with assumptions regarding a number of highly complex and subjective variables. These variables include the risk-free interest rate of the awards, the expected life of the awards, the expected volatility over the term of the awards, the expected dividends of the awards, and an estimate of the amount of awards that are expected to be forfeited. We use the Black-Scholes option pricing model to determine the fair value of share-based payments granted under ASC Topic 718.

In applying the Black-Scholes methodology to the options granted, the Company used the following assumptions:



	Three months ended March 31,
	2013	2012
Risk-free interest rate, average	—	1.4%
Expected option life, average	—	7.1 years
Expected price volatility, average	—	51.9%
Weighted average per share fair value	—	$3.35

Shareholders' Equity

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

The following table summarizes the change in shareholders’ equity during the three months ended March 31, 2013 and 2012, respectively:



	Three months ended March 31,
	2013			2012
Balance at the beginning of the period	$	66,668		$	39,664
Net income during the period	731			478
Treasury stock purchased	(574		)	—
Stock-based compensation	59			51
Exercise of stock options	76			—
Balance at end of the period	$	66,960		$	40,193

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Subparagraph (SX 210.4-08.(d),(e))
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section B
-Paragraph 7, 11A
-Chapter 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 5
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 17: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
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Reference 20: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
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Reference 21: http://www.xbrl.org/2003/role/presentationRef
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Reference 22: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 23: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company's forecasted effective tax rate at March 31, 2013 is 33.4%, a (4.0)% decrease from the 37.4% effective tax rate recorded at March 31, 2013. The forecasted effective tax rate of 33.4% excludes jurisdictions for which no benefit from forecasted current year losses is anticipated. Including losses from such jurisdictions results in a forecasted effective tax rate of 45.1%. 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 March 31, 2013. After discrete benefit of $269, the effective tax rate for the quarter ended March 31, 2013 is 30.7%. The discrete benefit is primarily attributable to the recognition of the U.S. research and development credit for 2012.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

+ Details

Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events The Company evaluated its consolidated financial statements as of and for the three months ended March 31, 2013 for subsequent events through the date the financial statements were issued. The Company is not aware of any subsequent event which would require recognition or disclosure in the financial statements.

Summary of Significant Accounting Policies (Policies)	3 Months Ended
Summary of Significant Accounting Policies (Policies)	Mar. 31, 2013
Accounting Policies [Abstract]
Warranty Costs	Warranty Costs – The Company accrues for warranty costs based on estimated warranty return rates and estimated costs to repair. Factors that affect the Company’s warranty liability include the number of units sold, historical and anticipated rates of warranty returns, and repair cost. The Company reviews the adequacy of its recorded warranty accrual on a quarterly basis.

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

The details of changes in the Company’s warranty accrual are as follows:



	March 31, 2013			December 31, 2012
Balance at the beginning of year	$	385		$	467
Warranty accruals/additions	132			443
Warranty usage	(132		)	(525		)
Balance at end of period	$	385		$	385

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Earnings Per Share – The following table sets forth the computation of basic and diluted earnings per common share:



	Three months ended March 31,
	2013		2012
Numerator:
Net income	$	731	$	478
Denominator:
Basic weighted average shares outstanding	9,152,859		9,098,152
Dilutive common stock equivalents using treasury stock method	241,322		148,158
Diluted weighted average shares outstanding	9,394,181		9,246,310

Basic earnings per common share	$	0.08	$	0.05
Diluted earnings per common share	$	0.08	$	0.05

Weighted average options outstanding	1,128,483		1,163,526
Anti-dilutive options not included in the computations	208,957		563,237

Intangible Assets Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block]

Intangible assets as of March 31, 2013 and December 31, 2012 consisted of the following:



	Estimated useful lives	March 31, 2013			December 31, 2012
Tradename	7 years	$	435		$	435
Patents and technological know-how	10 years	2,070			2,070
Proprietary software	3 to 15 years	2,961			2,961
In-process research and development	Indefinite	159			159
Other	5 years	49			49
		5,674			5,674
Accumulated amortization		(1,559		)	(1,416		)
		$	4,115		$	4,258

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

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



Years ending December 31,
2013 (remainder)	$	390
2014	528
2015	483
2016	446
2017	357
Thereafter	1,752
	$	3,956

Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of inventory, net of reserves

Inventories, net of reserves, as of March 31, 2013 and December 31, 2012 consisted of the following:



	March 31, 2013		December 31, 2012
Current:
Raw materials	$	936	$	734
Finished goods	10,668		10,139
	$	11,604	$	10,873
Long-term:
Raw materials	$	857	$	891
Finished goods	956		1,064
	$	1,813	$	1,955

Schedule of Non-Current Inventory Valuation Losses [Table Text Block]



	Three months ended March 31,
	2013		2012
Losses incurred on valuation of inventory and write-off of obsolete inventory	$	—	$	90

Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2013

Shareholders' Equity and Share-based Payments [Abstract]

Schedule of share-based compensation expense

Share-based compensation expense has been recorded as follows:



	Three months ended March 31,
	2013		2012
Cost of goods sold	$	2	$	1
Sales and marketing	15		13
Research and product development	11		7
General and administrative	31		30
	$	59	$	51

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table]

In applying the Black-Scholes methodology to the options granted, the Company used the following assumptions:



	Three months ended March 31,
	2013	2012
Risk-free interest rate, average	—	1.4%
Expected option life, average	—	7.1 years
Expected price volatility, average	—	51.9%
Weighted average per share fair value	—	$3.35

Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of Shareholders' Equity

The following table summarizes the change in shareholders’ equity during the three months ended March 31, 2013 and 2012, respectively:



	Three months ended March 31,
	2013			2012
Balance at the beginning of the period	$	66,668		$	39,664
Net income during the period	731			478
Treasury stock purchased	(574		)	—
Stock-based compensation	59			51
Exercise of stock options	76			—
Balance at end of the period	$	66,960		$	40,193

Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Numerator:
Net income	$ 731	$ 478
Basic weighted average shares outstanding	9,152,859	9,098,152
Dilutive common stock equivalents using treasury stock method	241,322	148,158
Diluted weighted average shares outstanding	9,394,181	9,246,310
Basic earnings per common share	$ 0.08	$ 0.05
Diluted earnings per common share	$ 0.08	$ 0.05
Weighted average options outstanding	1,128,483	1,163,526
Anti-dilutive options not included in the computations	208,957	563,237

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Regulation S-X (SX)
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
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-Number 210
-Section 04
-Paragraph 21
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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6518256

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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e565-108580

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-Name Accounting Research Bulletin (ARB)
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 20
-Article 9

+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6528421

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-Name Statement of Financial Accounting Standard (FAS)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Business Description, Basis of Presentation and Significant Accounting Policies Summary of Significant Accounting Policies - Warranties (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies - Warranties (Details) [Abstract]
Product Warranty Accrual	$ 385	$ 385	$ 467
Warranty accruals/additions	132	443
Warranty Usage	$ (132)	$ (525)

Business Combination, Goodwill and Intangibles - Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Total finite and indefinite-lived intangible assets, gross	$ 5,674		$ 5,674
Accumulated amortization	(1,559)		(1,416)
Intangible assets, net (excluding goodwill)	4,115		4,258
Amortization of Intangible Assets	143	$ 102
In-process research and development
Goodwill and Intangible Assets Disclosure [Abstract]
Indefinite-lived Intangible Assets	$ 159		159
Tradename
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, useful life (in years)	7 years
Finite-lived intangible assets, gross	$ 435		435
Patents and technological know-how
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, useful life (in years)	10 years
Finite-lived intangible assets, gross	$ 2,070		2,070
Proprietary software
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, gross	$ 2,961		2,961
Other
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, useful life (in years)	5 years
Finite-lived intangible assets, gross	$ 49		$ 49
Minimum
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, useful life (in years)	3 years
Maximum
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived intangible assets, useful life (in years)	15 years

Intangible Assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] (Details) $ in Thousands	Mar. 31, 2013 USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2013 (remainder)	$ 390
2014	528
2015	483
2016	446
2017	357
Thereafter	1,752
Finite-Lived Intangible Assets, Net	$ 3,956

Inventories (Details) - USD ($) $ in Thousands	3 Months Ended
Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Inventory Disclosure [Abstract]
Losses incurred on valuation of inventory and write-off of obsolete inventory	$ 0	$ 90
Current:
Raw materials	936		$ 734
Finished goods	10,668		10,139
Inventories, current	11,604		10,873
Long-term:
Raw materials	857		891
Finished Goods	956		1,064
Inventory, Noncurrent	1,813		1,955
Inventory, finished goods, amount under consignment	$ 1,568		$ 1,289

Share-Based Payments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 59	$ 51
unrecognized compensation cost related to non-vested stock options, net of forfeitures	$ 493
Outstanding, weighted average remaining contractual term (in years)	2 years 6 months 21 days
Options, grants in period, gross	0	30,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate, average	0.00%	1.40%
Expected option life, average	0 years	7 years 1 month 6 days
Expected price volatility, average	0.00%	51.90%
Weighted average per share fair value	$ 0.00	$ 3.35
Cost of Goods, Total [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 2	$ 1
Selling and Marketing Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	15	13
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	11	7
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 31	$ 30

Shareholders’ Equity Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 66,668	$ 39,664
Net income	731	478
Treasury stock purchased	(574)	0
Stock-based compensation	59	51
Exercise of stock options	76	0
Balance at end of period	$ 66,960	$ 40,193

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

+ References + Details

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References + Details

Income Taxes Income Tax Rates (Details) $ in Thousands	3 Months Ended
Income Taxes Income Tax Rates (Details) $ in Thousands	Mar. 31, 2013 USD ($)
Income Tax Rate Disclosures [Abstract]
Effective tax rate, forecasted	33.40%
Effective Income Tax Rate, Continuing Operations, Forecasted Increase (Decrease) in Rate	(4.00%)
Effective Income Tax Rate, Continuing Operations	37.40%
Effective tax rate, including loss jurisdictions	45.10%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 269
Effective Tax Rate, After Discreet Benefits	30.70%