Recent Accounting Pronouncements [Abstract] Recent Accounting Pronouncements [Abstract] Recent Accounting Pronouncements Recent Accounting Pronouncements [Text Block] The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Research and Development [Abstract] Procurement Contract and Research Agreement [Text Block] Procurement Contract and Research Agreements [Text Block] The entire disclosure for procurement contracts and research agreements including grants or contracts from various agencies of the U.S. government to support its research and development activities. Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Inventory [Abstract] Inventory [Abstract] Inventory Disclosure [Text Block] Inventory Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable Accounts Receivable, Net, Current Inventory Inventory, Raw Materials Prepaid expenses Prepaid Expense, Current Deferred tax assets Deferred Tax Assets, Net, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Accounts receivable Contract Receivable Deferred costs Deferred Costs, Noncurrent Goodwill Goodwill Other assets Other Assets, Noncurrent Deferred tax assets, net Deferred Tax Assets, Net, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Accounts payable Accounts Payable, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Deferred revenue Deferred Revenue, Noncurrent Common stock warrants Common Stock Warrants Noncurrent This item represents non-current portion of a security that gives the holder the right to purchase shares of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Other liabilities Other Liabilities Total liabilities Liabilities Stockholders' equity Stockholders' Equity Attributable to Parent [Abstract] Common stock ($.0001 par value, 100,000,000 shares authorized, 51,638,352 and 51,637,352 issued and outstanding at March 31, 2012, and December 31, 2011, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Income Statement [Abstract] Revenues Revenues [Abstract] Research and development Research and Development Revenue Revenue earned during the period arising from services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts and any other contract related to a particular project or product. Operating expenses Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Patent preparation fees Patent Preparation Fees The aggregate costs incurred for fees associated with the protection and expansion of patents. Total operating expenses Operating Expenses Operating loss Operating Income (Loss) Decrease (increase) in fair value of common stock warrants Change In Fair Value Of Common Stock Warrants The aggregate adjustment to the fair market value of liability classified warrants to purchase common stock. Other income, net Nonoperating Income (Expense) Loss before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Benefit from (provision for) income taxes Income Tax Expense (Benefit) Net income (loss) Net Income (Loss) Attributable to Parent Basic and diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Basic and Diluted Weighted average shares outstanding: basic and diluted (in shares) Weighted average shares outstanding, basic and diluted Weighted average shares outstanding, where basic and diluted are the same, used in calculating basic and diluted earnings (loss) per share. Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Statement of Cash Flows [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net income (loss) to net cash used in operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and other amortization Depreciation, Depletion and Amortization (Decrease) increase in fair value of warrants Increase In Fair Value Of Warrants Noncash expense, not otherwise specified in the taxonomy, charged against earnings in the period to adjust the fair market value of liability classified warrants to purchase common stock. Stock based compensation Share-based Compensation Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Deferred costs Increase (Decrease) in Deferred Charges Prepaid expenses Increase (Decrease) in Prepaid Expense Other assets Increase (Decrease) in Other Operating Assets Deferred income taxes, net Deferred Income Tax Expense (Benefit) Accounts payable, accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Proceeds from maturity of short term investments Proceeds from Sale and Maturity of Available-for-sale Securities Purchases of short term investments Payments to Acquire Short-term Investments Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Net proceeds from exercise of warrants and options Proceeds From Issuance Of Warrants and Options The cash inflow from the issuance of shares upon the exercise of warrants and options during the reporting period. Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosure of non-cash financing activities: Supplemental Cash Flow Information [Abstract] Reclass of common stock warrant liability to additional paid-in capital upon warrant exercise Reclass of Common Stock Warrant Liability To Additional Paid In Capital Upon Exercise Value of reclass of common stock warrant liability to additional paid-in capital upon exercise in noncash financing activities. Accrued Expenses [Abstract] Accrued Expenses [Abstract] Accrued expenses and other current liabilities [Text Block] Accrued expenses and other current liabilities [Text Block] The entire disclosure for accrued liabilities and other current liabilities at the end of the reporting period. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical. Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Document and Entity Information [Abstract] Document And Entity Information. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Period End Date Document Period End Date Document Type Document Type Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Amendment Flag Amendment Flag