Cash paid for interest Principal payments on long-term debt Deferred product revenue Statement of Cashflows Selling and Marketing Expense Total current liabilities Accounts and other receivables, net Current assets: Entity Well-known Seasoned Issuer Cash paid for income taxes Supplemental disclosure of cash flow information: Cash flows from investing activities: Accumulated deficit Additional paid-in capital Common stock, par value $0.001; authorized: 50,000,000 shares; issued and outstanding: 9,058,206 as of June 30, 2011 and 8,929,439 as of December 31, 2010 Shareholders' equity: Entity Public Float Equity Earnings per share - Basic Total liabilities Document Type Income Taxes Proceeds from the issuance of common stock - options Purchase of property and equipment Changes in operating assets and liabilities: Shares outstanding - Basic Earnings per share - Diluted Other Income (expense) Gross Profit Cost of Goods Sold Deferred income taxes Income Tax Disclosure [Text Block] Supplemental disclosure of non-cash activities: Net cash provided by (used in) financing activities Depreciation and amortization expense Deferred revenue Inventory Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Net cash provided by operating activities Operating expenses: Deferred rent Current liabilities: Prepaid expenses and other assets Entity Voluntary Filers Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Compensation Related Costs, Share Based Payments Income Statement ASSETS Entity Registrant Name Subsequent Events Net increase in cash and cash equivalents Write-down of inventory to net realizable value Net Income (Loss) LIABILITIES AND SHAREHOLDERS' EQUITY Document Period End Date Stockholders' Equity Note Disclosure [Text Block] Accounts payable {1} Accounts payable Deferred income taxes {2} Deferred income taxes Accounts receivable Stock-based compensation Revenue, Net {1} Revenue, Net Deferred income taxes {1} Deferred income taxes Inventories Current Fiscal Year End Date Amendment Flag Document and Entity Information Subsequent Events [Text Block] Exchanged accounts receivable from a vendor with accounts payable to the same vendor Cash flows from financing activities: Accrued liabilities {1} Accrued liabilities Prepaid expenses and other assets {1} Prepaid expenses and other assets Operating Expenses Research and Development Expense Total assets Entity Current Reporting Status Intangible Assets, Goodwill and Other Cash flows from operating activities: Total shareholders' equity Accrued liabilities Accounts payable Other assets Entity Central Index Key Income tax expense Statement [Line Items] Interest and Other Income [Table Text Block] Other long-term liabilities {1} Other long-term liabilities Inventories {1} Inventories Income before Income Taxes General and Administrative Expense Goodwill Intangibles, net Total current assets Document Fiscal Year Focus Current liabilities reclassed to deferred rent Net cash used in investing activities Adjustments to reconcile net income to net cash provided by operations: Other long-term liabilities Property and equipment, net Cash and cash equivalents Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Statement [Table] Intangible Assets Disclosure [Text Block] Inventory Entity Filer Category Other Income and Expenses Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Loss on disposal of assets Provision for doubtful accounts Shares outstanding - Diluted Operating Income Total liabilities and shareholders' equity Long-term inventory, net Escrow proceeds received pursuant to NetStreams acquisition Document Fiscal Period Focus Entity Common Stock, Shares Outstanding