Document And Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Line Items] Entity Registrant Name Entity Filer Category Entity Central Index Key Trading Symbol Amendment Flag Entity Small Business Entity Emerging Growth Company Document Type Document Fiscal Period Focus Document Period End Date Document Fiscal Year Focus Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] ASSETS Current assets: Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Accounts receivable, net Accounts receivable, net Unbilled Receivables, Current Unbilled accounts receivable Inventory Net Inventories Total inventories, net Prepaid Expenses And Other Assets Current Prepaid expenses and other current assets Total current assets Total current assets Equipment, furniture and leasehold improvements, net Other assets Intangibles and other assets Total assets Total assets LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Accounts payable Employee-related Liabilities, Current Accrued compensation Line of Credit, Current Revolving credit facility, net Derivative Liability, Current Common stock warrant liability Fair value of warrant liability Accrued expenses Other accrued expenses Deferred Revenue, Current Deferred revenue Other current liabilities Other current liabilities Total current liabilities Total current liabilities Commitments and Contingencies 2009 Commitments and contingencies (Note 9) Shareholders' equity: Preferred stock, $.001 par value: authorized 10,000,000 shares: Preferred stock, $.001 par value: authorized 10,000,000 shares: Series B Convertible Preferred stock, (liquidation preference of $5,659) stated value $1,000 per share, $.001 par value: 10,000 shares designated and 5,659 issued and outstanding as of September 30, 2018 and December 31, 2017 Common stock, $.001 par value: authorized 200,000,000 shares, issued and outstanding, 19,938,992 shares as of September 30, 2010 and 16,967,244 as of December 31, 2009 Common stock, $.001 par value: authorized 200,000,000 shares, issued 45,323,339 shares, outstanding 45,161,273 shares as of September 30, 2018 and issued 35,182,589 shares, outstanding 35,020,523 shares as of December 31, 2017 Additional paid-in capital Additional paid-in capital Accumulated deficit Treasury Stock, Value Treasury stock, 162,066 shares as of September 30, 2018 and December 31, 2017 Total shareholders' equity Total shareholders' equity Total liabilities and shareholders' equity Total liabilities and shareholders' equity Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Convertible Preferred Stock [Member] Series B Convertible Preferred Stock [Member] Preferred stock, par value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Liquidation Preference, Value Preferred stock, liquidation preference Preferred Stock Liquidation Preference Preferred stock, stated value Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock, shares Condensed Consolidated Statements of Operations [Abstract] Revenues: Revenue from Contract with Customer, Excluding Assessed Tax Total revenues, net Revenues from contract with customer Cost of revenues: Cost of Goods and Services Sold Cost of goods and services sold Inventory Write-down Impairment of Consumer Night Vision Business inventory Cost of Revenue Total cost of revenues Gross Profit Gross profit Operating expenses: Research and development Selling, general and administrative Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Other income (expense): Gain (Loss) on Derivative Instruments, Net, Pretax Change in fair value of common stock warrant liability Interest Income (Expense), Nonoperating, Net Interest income (expense), net Other Income Other income (expense), net Nonoperating Income (Expense) Total other income (expense) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) before provision for income taxes Provision for income taxes (Provision) benefit for income taxes Net income (loss) Net loss Net income (loss) Net income (loss) Undistributed Earnings Allocated to Participating Securities Income allocated to participating securities Less net income allocated to participating securities Net Income (Loss) Available to Common Stockholders, Basic Net income (loss) allocated to common shares Income (loss) per share, basic Loss per share, basic Net loss per share: Basic Income (loss) per share, diluted Loss per share, diluted Net loss per share: Diluted Weighted average number of shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic Weighted average common shares outstanding - Basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted average common shares outstanding - Diluted Condensed Consolidated Statements of Cash Flows [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash flows from operating activities: Adjustments to reconcile net (loss) income to net cash provided by operating activities: Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization Fair Value Adjustment of Warrants Change in fair value of common stock warrant liability Impairment of Tooling Impairment of Tooling Impairment of Consumer Night Vision Business tooling Share-based Compensation Stock-based compensation Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Accounts receivable Accounts receivable Increase (Decrease) in Contract with Customer, Asset Unbilled accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Contract with Customer, Liability Deferred revenues Accounts payable, accrued compensation and other accrued expenses Accounts payable, accrued expenses, and other current liabilities Net cash provided by operating activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities: Purchase of equipment Purchase of equipment Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Financing Activities Abstract Cash flows from financing activities: Repayments of Long-term Lines of Credit Repayments under revolving line of credit, net Proceeds from Issuance of Common Stock Proceeds from public offering, net Proceeds from underwriting agreement, net Payments of Debt Issuance Costs Payments of debt issuance costs Proceeds from Warrant Exercises Proceeds from exercise of warrants Proceeds from warrant exercise, net Proceeds from Stock Options Exercised Proceeds from exercise of stock options Net cash provided by (used in) financing activities Net cash provided by financing activities Net increase in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Interest Paid, Net Cash paid for interest Cash paid for income taxes Summary of Significant Accounting Policies [Abstract] Description of the Business and Summary of Significant Account Policies Summary of Significant Accounting Policies Revenue Recognition [Abstract] Revenue from Contract with Customer [Text Block] Revenue Recognition Accounts Receivable, Net [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Accounts Receivable, Net Inventories, Net [Abstract] Inventory Disclosure [Text Block] Inventories, Net Line of Credit [Abstract] Debt Disclosure [Text Block] Line of Credit Stock-based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-based Compensation Shareholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Shareholders' Equity Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Commitments and Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock Warrant Liability [Abstract] Warrants and Rights Note Disclosure Warrants and Rights Note Disclosure [Text Block] Common Stock Warrant Liability Nature of Operations [Policy Text Block] Nature of Operations [Policy Text Block] The Business Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Reclassification, Policy [Policy Text Block] Reclassifications Intangible Assets, Finite-Lived, Policy [Policy Text Block] Intangible Assets - Patents Standard Product Warranty, Policy [Policy Text Block] Product Warranty Earnings Per Share, Policy [Policy Text Block] Net Loss per Common Share Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentrations New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Securities and Exchange Commission Recently Issued Updates [Policy Text Block] Securities and Exchange Commission Recently Issued Updates [Policy Text Block] SEC Disclosure Update and Simplification Inventory Impairment, Policy [Policy Text Block] Note 1A: Impairment of Consumer Night Vision Business Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Estimated Future Amortization Expense Schedule of Product Warranty Liability [Table Text Block] Summary of Activity Related to Warranty Liability Included in Other Current Liabilities Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Potentially Dilutive Common Stock Equivalents Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Reconciliation of the Level 3 Warrant Liability Measured and Recorded at Fair Value on a Recurring Basis Disaggregation of Revenue [Table Text Block] Schedule of Disaggregated Revenue Contract with Customer, Asset and Liability [Table Text Block] Schedule of Contract Assets and Liabilities Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts Receivable Schedule of Inventory, Current [Table Text Block] Schedule of Components of Inventories Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Allocation of Non-Cash Stock-Based Compensation Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Key Assumptions of Fair Value of Stock Options Granted Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Option Activity Accounting Policies [Table] Accounting Policies [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Cost Of Goods Product Line [Member] Cost of Goods, Product Line [Member] Accounts Receivable [Member] Accounts Receivable [Member] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Customer [Axis] Name Of Major Customer [Domain] Customer [Domain] Customer One [Member] Customer One [Member] Customer One [Member] Contract Manufacturer [Member] Contract Manufacturer [Member] Contract Manufacturer [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] Amortization of Intangible Assets Total intangible amortization expense Standard product warranty period. Standard Product Warranty Period Standard product warranty period Fair Value Assumptions, Expected Term Expected term Warrants and Rights Outstanding, Measurement Input Measurement input Number Of Suppliers Number Of Suppliers Number of suppliers Represents the number of customers. Number of customers Concentration Risk, Percentage1 Concentration risk percentage Number of Products, Exiting Business Associated With Number of Products, Exiting Business Associated With Number of products, exiting buisness associated with Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2018 (three months remaining) Finite-Lived Intangible Assets, Amortization Expense, Year Two 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Five 2022 Finite-Lived Intangible Assets, Amortization Expense, after Year Five Later years Finite-Lived Intangible Assets, Net Total Amortization Standard Product Warranty Accrual Ending balance Beginning balance Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Warranty accruals and adjustments Standard Product Warranty Accrual, Payments Warranty claims Incremental Common Shares Attributable to Call Options and Warrants Dilutive effect of stock options Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Options [Member] Warrant [Member] Warrants [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total potentially dilutive common stock equivalents Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Balance as of September 30, 2018 Balance as of January 1, 2018 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Fair value of warrants issued during period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Change in Fair Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Change in Fair Value Change in fair value of warrant liability, net Revenue from Contract with Customer [Table] Revenue from Contract with Customer [Table] Revenue from Contract with Customer [Line Items] Revenue from Contract with Customer [Line Items] Accounts receivable, balance due. Accounts receivable, balance due Unbilled Revenue, Billed and Collected, Term Unbilled Revenue, Billed and Collected, Term Unbilled revenue, billed and collected, term Contract with Customer, Liability, Revenue Recognized Revenue recognized related to contract liabilities Revenue, Remaining Performance Obligation Remaining performance obligation Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Contract with Customer, Asset, Net Unbilled Receivables (contract assets) Contract with Customer, Liability Deferred Revenue (contract liabilities) Contract with customer, amount of asset after deduction of liability. Contract with Customer, Net Asset (Liability) Net contract asset (liability) Accounts Receivable, Gross, Current Accounts receivable Allowance for Doubtful Accounts Receivable, Current Less allowance for doubtful accounts Inventory, Raw Materials Raw materials Inventory, Work in Process Work in process Inventory, Finished Goods Finished goods Inventory, Gross Total inventories Inventory Adjustments Less inventory reserve Line of Credit Facility [Table] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate [Member] Prime Rate [Member] Line of Credit Facility [Line Items] Borrowing capacity description Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Borrowing Base Equivalent Of Eligible Accounts Receivable, Percentage Borrowing Base Equivalent Of Eligible Accounts Receivable, Percentage Borrowing base equivalent of eligible accounts receivable, percentage Borrowing Base Equivalent Of Eligible Inventory, Amount Borrowing Base Equivalent Of Eligible Inventory, Amount Borrowing base equivalent of eligible inventory Borrowing Base Equivalent Of Eligible Inventory, Percentage Borrowing Base Equivalent Of Eligible Inventory, Percentage Borrowing base equivalent of eligible inventory, percentage Debt Instrument, Basis Spread on Variable Rate Basis spread on variable rate Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Minimum interest rate Line of Credit Facility, Periodic Payment, Interest Monthly interest payment Line of Credit Facility, Monthly Administrative Fee Line of Credit Facility, Monthly Administrative Fee Monthly administrative fee Line of Credit Facility, Annual Facility Fee On Maximum Amount Borrowable Percentage Line of Credit Facility, Annual Facility Fee On Maximum Amount Borrowable Percentage Annual facility fee on maximum amount borrowable Line of Credit Facility, Automatic Renewal Date Line of Credit Facility, Automatic Renewal Date Automatic renewal date Line of Credit Facility, Automatic Renewal Term Line of Credit Facility, Automatic Renewal Term Automatic renewal term Debt Issuance Costs, Gross Debt issuance costs Line of Credit Facility, Minimum Net Worth Required for Covenant Compliance Line of Credit Facility, Minimum Net Worth Required for Covenant Compliance Minimum net worth required Line of Credit Facility, Minimum Working Capital Required for Covenant Compliance Line of Credit Facility, Minimum Working Capital Required for Covenant Compliance Minimum working capital required Line of Credit Facility, Amount Outstanding Outstanding amount on credit facility Line of Credit Facility, Remaining Borrowing Capacity Remaining borrowing capacity Interest Costs Incurred Interest paid, capitalized or accrued Amortization of Debt Issuance Costs Amortization of debt issuance costs Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized stock option compensation, net of forfeitures Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Unrecognized compensation cost, weighted average period of recognition Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Intrinsic value of options exercised Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Income Statement Location [Axis] Income Statement Location [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Cost Of Sales [Member] Cost of Revenues [Member] Research And Development Expense [Member] Research and Development [Member] Selling General And Administrative Expenses [Member] Selling, General and Administrative [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Allocated share-based compensation expense Total stock compensation expense Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk free interest rates, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk free interest rates, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Shares, Outstanding at September 30, 2018 Number of Shares, Outstanding at December 31, 2017 Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of Shares, Options granted Exercise of common stock options, shares Number of Shares, Options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of Shares, Options forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Number of Shares, Options cancelled or expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of Shares, Vested or expected to vest at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Number of Shares, Exercisable at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding at September 30, 2018 Weighted Average Exercise Price, Outstanding at December 31, 2017 Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Options exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Options forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Options cancelled or expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Vested or expected to vest at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted Average Exercise Price, Exercisable at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Remaining Contractual Life (In Years), Outstanding at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Remaining Contractual Life (In Years), Vested or expected to vest at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Weighted Average Remaining Contractual Life (In Years), Exercisable at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Outstanding at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate Intrinsic Value, Vested or expected to vest at September 30, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Aggregate Intrinsic Value, Exercisable at September 30, 2018 Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Warrant or Right, Number of Warrants Exercised. Class of Warrant or Right, Number of Warrants Exercised Number of warrants exercised Stock Issued During Period, Shares, New Issues Underwriting agreement to issue and sell common stock Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of shares of common stock called by warrants Class of Warrant or Right, Exercise Price of Warrants or Rights Warrants exercise price per share Shares Issued, Price Per Share Common stock, price per share Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares of common stock called by each warrant Stock Offering, Expiration Date Stock Offering, Expiration Date Offering close date Income Tax Disclosure [Table] Income Tax Disclosure [Table] Tax Period [Axis] Tax Period [Domain] Tax Period [Domain] Carryforward Expiration Four [Member] Carryforward Expiration Four [Member] 2018-2021 [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate U.S. Federal income tax benefit at federal statutory rate Effective Income Tax Rate, Continuing Operations Effective tax rate Deferred Tax Assets, Valuation Allowance, Current Deferred tax asset that will more than likely be realized Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Reduction to deferred tax assest valuation allowance Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority Expected refund for AMT credit carryforward Operating Loss Carryforwards, Expiration Date Operating loss carryforward, expiration Loss Contingencies [Table] Loss Contingencies [Line Items] Long-term Purchase Commitment, Amount Equipment purchases commitments Class of Warrant or Right [Table] Class of Warrant or Right [Line Items] Equity Offering and Private Placement Expiration Date Equity Offering and Private Placement Expiration Date Equity offering and private placement close date Class of Warrant or Right, Outstanding Warrants outstanding Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Product [Member] Product [Member] Contract [Member] Contract [Member] Contract [Member] Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Major Types of Debt Securities [Domain] Sales Revenue Net [Member] Revenues [Member] Supplier Concentration Risk [Member] Supplier Concentration Risk [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Risk Free Interest Rate [Member] Measurement Input, Risk Free Interest Rate [Member] Measurement Input Expected Dividend Rate [Member] Measurement Input, Expected Dividend Rate [Member] Measurement Input Price Volatility [Member] Measurement Input, Price Volatility [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Difference Between Revenue Guidance In Effect Before And After Topic606 [Member] Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Adjustments for New Accounting Pronouncements [Axis] Type Of Adoption [Member] Type of Adoption [Domain] Accounting Standards Update201409 [Member] Accounting Standards Update 2014-09 [Member] Geographical [Axis] Segment Geographical [Domain] Segment, Geographical [Domain] Americas [Member] North and South America [Member] E M E A [Member] Europe, Middle East, and Africa [Member] Asia Pacific [Member] Asia Pacific [Member] Commercial [Member] Commercial [Member] Commercial [Member] Military [Member] Military [Member] Military [Member] Commercial and Military [Member] Commercial And Military [Member] Commercial and Military [Member] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] Over Allotment Option [Member] Over-Allotment Option [Member] Private Placement [Member] Private Placement [Member] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Forecast [Member] Scenario, Forecast [Member] Equity Offering and Private Placement [Member] Equity Offering And Private Placement [Member] Equity Offering and Private Placement [Member] Offering 2017 [Member] Offering2017 [Member] 2017 Offering [Member]