Document and Entity Information Adjustments to Additional Paid in Capital, Share-based Compensation, Related Party, Value Share-based payment-related party Represents the amount of recognized share-based compensation made to the related party during the period, which is recognized as an expense in the income statement. Exercise of Options to Purchase Common Stock Per Share Exercise of options to purchase common stock, per share This element represent exercise of options to purchase common stock per share. Share-based payment-director services, per share Issuance of Common Stock for Services Rendered by Directors Per Share This element represent Issuance of common stock for services rendered by Directors. Exercise of options to purchase common stock, per share, low end of range Exercise of Options to Purchase Common Stock, Per Share, Low End of Range The lower end of a range of amounts used to capture the exercise of options to purchase common stock per share. Exercise of Options to Purchase Common Stock Per Share, High End of Range The higher end of a range of amounts used to capture the exercise of options to purchase common stock per share. Exercise of options to purchase common stock, per share, high end of range Noncash Expense Extension of Expiration Date Warrant to Related Party Non cash expense-extension of expiration date of warrant to related party Represents the noncash expense incurred due to the extension of the expiration date of warrants to the related party. Adjustments to reconcile income from discontinued operations to net cash used in discontinued operations: Adjustments to Reconcile Income from Discontinued Operations to Net Cash Used in Discontinued Operations [Abstract] Non cash impact of the sale of discontinued operations Non Cash Impact of the Sale of Discontinued Operations This element represents non cash impact of the sale of discontinued operations. Depreciation and amortization Depreciation, Depletion and Amortization, Discontinued Operations The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets for discontinued Operations. Amendment Description Provision for bad debts Provision for Bad Debts, Discontinued Operations This element represents provision for bad debts for discontinued operations. Amendment Flag Non cash share-based payments Share Based Compensation Discontinued Operations The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method for discontinued operations. Increase (Decrease) in Operating Capital Discontinued Operations [Abstract] Changes in operating assets and liabilities: Accounts receivable Increase (Decrease) in Accounts Receivable, Discontinued Operations The net change of discontinued operations in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Inventory and other current assets Increase (Decrease) in Inventory and Other Current Assets, Discontinued Operations This element represents increase decrease in inventory and other current assets of discontinued operations. Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Discontinued Operations The net change in the aggregate amount of obligations and expenses incurred but not paid of discontinued operations. Investing Activities of Discontinuing Operations [Abstract] Investing activities of discontinued operations Net Cash Used by Discontinued Operations Net cash used by discontinued operations This element represents cash provided by or used in the investing activities of the entity's discontinued operations during the period. This element is only used by those entities that separately report cash flows attributable to discontinued operations. Principal payments on capital lease obligations and notes payable Payments on Capital Lease Obligations and Notes Payable This element represents principal payments on capital lease obligations and notes payable. Transfer of Fixed Assets from Discontinued Operations Transfer of fixed assets from discontinued operations Represents the value of fixed assets transferred from discontinued operations during noncash investing and financing transactions. Collaboration Agreements Collaboration Agreements This text block represents information about collaboration agreements and government contract. Collaboration Agreements and Government Contract [Text Block] Not Used Not Used Not Used Disclosure [Text Block] The entire disclosure for not used items during the reporting entity. Current Fiscal Year End Date Accounts Receivable, Net, Current Accounts receivable Document Period End Date Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Payments to Acquire Productive Assets Purchases of property and equipment of disc ops CONDENSED BALANCE SHEETS Earnings Per Share, Basic Basic (loss) earnings per share (in dollars per share) Capital Lease Obligations, Current Capital lease obligations, current portion Cash and Cash Equivalents, at Carrying Value Cash Cash at beginning of period Cash at end of period Interest Paid Interest paid to related parties Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense and Other Assets Inventory, prepaid expenses, and other current assets Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Outstanding Common stock, shares outstanding Balance (in shares) Balance (in shares) Common Stock, Value, Issued Common stock, $.001 par value, 90,000 shares authorized, 32,853 shares outstanding - 2012, 32,828 shares outstanding - 2011 Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive (loss) income Total Comprehensive Income Aircraft Rental and Landing Fees Fees paid to related parties Cost of Revenue Cost of product revenues Liabilities, Current Total current liabilities Current liabilities: Liabilities, Current [Abstract] Deferred Income Tax Expense (Benefit) Deferred tax benefit Deferred tax asset Deferred Tax Assets, Net, Current Deferred Revenue, Current Deferred revenue, current portion Deferred Revenue, Noncurrent Deferred revenue, net of current portion Earnings Per Share, Diluted Diluted (loss) earnings per share (in dollars per share) Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations & Gain on Sale of Discontinued Operations Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation Income from operations of discontinued operations, income taxes Discontinued Operation, Amount of Other Income (Loss) from Disposition of Discontinued Operation, Net of Tax Gain from sale of discontinued operations, net of income taxes of $4,121 in 2009 Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Income from operations of discontinued operations, net of income taxes of $120 in 2009 Gain from sale of discontinued operations, income taxes Discontinued Operation, Tax Effect of Other Income (Loss) from Disposition of Discontinued Operation Share-based Compensation. Non cash share-based payments General and Administrative Expense General and administrative Gross Profit Gross profit STATEMENTS OF COMPREHENSIVE (LOSS) INCOME Income (loss) from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Income (loss) from continuing operations Income (Loss) from Continuing Operations, Per Diluted Share Income (loss) from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Income (loss) from continuing operations (in dollars per share) Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Income from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Income from discontinued operations (in dollars per share) Income Tax Disclosure [Text Block] Income Taxes Income Taxes Paid, Net Cash paid for income taxes Increase (Decrease) in Other Operating Assets Other assets Inventory, Net Inventory Liabilities Total liabilities Liabilities of Disposal Group, Including Discontinued Operation, Current Current liabilities of discontinued operations Liabilities and Equity Total liabilities and stockholders' equity Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Available-for-sale Securities, Current Investments available for sale Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities Net cash used in continuing operations Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net Cash Provided by (Used in) Discontinued Operations Net cash used in discontinued operations Discontinued operations Net Cash Provided by (Used in) Discontinued Operations [Abstract] Net Cash Provided by (Used in) Investing Activities Net cash provided by investing activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Proceeds from (Repayments of) Notes Payable Proceeds from convertible and short-term notes payable Proceeds from (Repayments of) Restricted Cash, Financing Activities Restricted cash Net Income (Loss) Available to Common Stockholders, Basic Net (loss) income Net (loss) income Net loss Nonoperating Income (Expense) Total nonoperating income (expense) Income from operations Operating Income (Loss) (Loss) income from operations Revenues Product revenues Pension and Other Postretirement Benefits Disclosure [Text Block] Defined Contribution Plan Proceeds from Issuance of Common Stock Proceeds from the issuance of common stock, net Proceeds from Sale of Available-for-sale Securities Proceeds from sale of investments available for sale Proceeds from Sale of Property, Plant, and Equipment Proceeds from the sale of property and equipment Proceeds from Stock Options Exercised Proceeds from the exercise of stock options Property, Plant and Equipment, Net Property and equipment, net Property and Equipment Provision for Doubtful Accounts Provision for bad debts Payments to Acquire Available-for-sale Securities Purchases of investments available for sale Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Related Party Transactions Related Party Transactions Disclosure [Text Block] Retained Earnings (Accumulated Deficit) Accumulated deficit Revenue, Net Revenue from collaborative research agreements and royalties Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] SCHEDULE II - Valuation and Qualifying Accounts Segment Reporting Disclosure [Text Block] Segment Reporting Significant Accounting Policies [Text Block] Significant Accounting Policies CONDENSED STATEMENTS OF CASH FLOWS STATEMENT OF STOCKHOLDERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity Warrants Warrants Stockholders' Equity Note Disclosure [Text Block] Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flows information: Assets, Current Total current assets Current assets: Assets, Current [Abstract] Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares (diluted) (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average common shares (basic) (in shares) Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Common Stock Common Stock [Member] Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Research and Development Expense Research and development Assets. Total assets Other Liabilities, Noncurrent Other long-term liabilities Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Scenario, Unspecified [Domain] Statement [Table] Statement, Scenario [Axis] Assets Assets [Abstract] Statement Statement [Line Items] Fair Value Disclosures [Text Block] Fair Value Quarterly Financial Information [Text Block] Quarterly Financial Data (Unaudited) Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities: Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash provided by investing activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Proceeds from sale of discontinued operations, net Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Stockholders' Equity, Period Increase (Decrease) Increase (Decrease) in Deferred Revenue Deferred revenue Other Assets, Noncurrent Other assets Operating Expenses Total operating expenses Basic income per share Earnings Per Share, Basic [Abstract] Diluted income per share Earnings Per Share, Diluted [Abstract] Operating expenses: Operating Costs and Expenses [Abstract] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest (Loss) income before income taxes Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Stockholders' Equity Attributable to Parent Total stockholders' equity Balance Balance Income Tax Expense (Benefit) Income tax benefit (expense) Comprehensive loss: Comprehensive Income. Statement, Equity Components [Axis] Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Equity Component [Domain] Stock Issued During Period, Value, New Issues Share-based payment-director services ($5.08 per share) Stock Issued During Period, Shares, New Issues Share-based payment-director services ($5.08 per share) (in shares) Stock Issued During Period, Shares, Period Increase (Decrease) Stock Repurchased During Period, Value Exercise of options to purchase common stock ($.40-$7.74 per share) Stock Repurchased During Period, Shares Exercise of options to purchase common stock ($.40-$7.74 per share) (in shares) Comprehensive Income Comprehensive Income [Member] Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental schedule of non cash investing and financing activities: Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent [Abstract] Discontinued operations: Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Income from discontinued operations Income from discontinued operations Income from discontinued operations Depreciation, Depletion and Amortization Depreciation and amortization Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash used in operations: Nature of Operations [Text Block] Nature of Business Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expenses Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Unrealized loss on investments available for sale Unrealized (loss) gain on investments available for sale Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Share-based payment-employee compensation Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Interest Revenue (Expense), Net Non cash interest expense Payments Related to Tax Withholding for Share-based Compensation Share-based payments to related parties Cash and Cash Equivalents, Period Increase (Decrease) Net decrease in cash Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Description of Business and Significant Accounting Policies Nature of Business Investments Available for Sale Commitments and Contingencies Income Taxes Fair Value Subsequent Events Subsequent Events [Text Block] Defined Contribution Plan Quarterly Financial Data (Unaudited) Share-Based Compensation Significant Accounting Policies Discontinued Operations & Gain on Sale of Discontinued Operations Segment Reporting Related Party Transactions Subsequent Events SCHEDULE II - Valuation and Qualifying Accounts Interest Paid, Capitalized Cash paid for interest Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments Available for Sale Additional paid-in-capital Additional Paid In Capital Common Stock Other Nonoperating Income Other income, net