Document and Entity Information Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Entity Public Float Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Consolidated Balance Sheets [Abstract] Assets ASSETS Cash and cash equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value, Total Restricted Cash and Cash Equivalents, Current Restricted cash Accounts receivable Accounts receivable Accounts Receivable, Net, Total Inventories, net Inventory, Net, Total Prepaid expenses and other,net Prepaid expenses and other Prepaid Expense and Other Assets, Total Current assets of discontinued operations Assets of discontinued operations Assets of Disposal Group, Including Discontinued Operation, Current, Total Total current assets Total current assets Property and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Intangible Assets, Net (Excluding Goodwill), Total Prepaid Expense, Noncurrent Prepaid expenses-noncurrent Prepaid Expense, Noncurrent, Total Total assets Total assets Liabilities and Stockholders' Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Accounts payable Accounts Payable, Current, Total Accrued Liabilities Current Accrued liabilities Accrued Liabilities, Current, Total Current liabilities of discontinued operations Liabilities of discontinued operations Liabilities of Disposal Group, Including Discontinued Operation, Current, Total Total current liabilities Total current liabilities Other Liabilities, Noncurrent Other liabilities-noncurrent Other Liabilities, Noncurrent, Total Liabilities Total liabilities Commitments and contingencies (Note 10) Commitments and contingencies (Note 12) Stockholders' equity: Preferred stock, $0.00001 par value; 5,000,000 shares authorized; none issued and outstanding Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred stock, $0.00001 par value; 5,000,000 shares authorized; none issued and outstanding Preferred Stock, Value, Issued, Total Common stock, $0.00001 par value; 50,000,000 shares authorized; 30,685,289 and 30,614,789 shares issued and outstanding, respectively Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, $0.00001 par value; 50,000,000 shares authorized; 32,374,499 and 30,614,789 shares issued and outstanding, respectively Common Stock, Value, Issued, Total Additional Paid in Capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional Paid in Capital, Total Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Stockholders Equity Balance Balance Total stockholders' equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Preferred Stock, par value Preferred stock, par value Preferred Stock, shares authorized Preferred stock, shares authorized Preferred Stock, shares issued Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, shares outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Common Stock, par value Common stock, par value Common Stock, shares authorized Common stock, shares authorized Common Stock, shares issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, shares outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Consolidated Statements Of Operations [Abstract] Revenues Revenues: Sales Revenue, Goods, Net Product sales Sales Revenue, Goods, Net, Total This includes some contract revenue, as well as revenue for repairs, training, leasing, and freight - non-product revenue. Contract And Other Contract and other Total revenues Total revenues Cost of revenues Cost of Revenue, Total Gross profit Gross profit Operating Expenses [Abstract] Operating expenses: Selling, general and administrative Selling, General and Administrative Expense, Total Research and development Research and Development Expense, Total Total operating expenses Total operating expenses (Loss) income from operations Income from operations Income from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Other Income Other Income, Total Other income (expense) Unrealized gain on derivative revaluation, net Unrealized gain on derivative revaluation Unrealized gain on derivative revaluation Unrealized gain on derivative revaluation Total other income Total other income (Loss) income from continuing operations before income taxes Income from continuing operations before income taxes Provision for income taxes Income tax expense Income tax expense Income Tax Expense (Benefit), Total (Loss) Income from continuing operations Income from continuing operations Income (loss) from discontinued operations Income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total Less: Net income (loss) from discontinued operations Net (loss) income Net income for the period Net income Net income Earning Per Share From Continuing Operations [Abstract] Earning Per Share From Continuing Operations [Abstract] Net income per common share-continuing operations: Income (Loss) from Continuing Operations, Per Basic Share Basic Income (Loss) from Continuing Operations, Per Outstanding Share, Total Basic Income (Loss) from Continuing Operations, Per Diluted Share Diluted Diluted Net Income Per Common Share - Discontinued Operations [Abstract] Net Income Per Common Share - Discontinued Operations [Abstract] Net income per common share-discontinued operations: Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Basic Income (Loss) from Discontinued Operations, Net of Tax, Per Outstanding Share, Total Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Diluted Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share, Total Net Income Per Share [Abstract] Net income per common share: Earnings Per Share, Basic Basic Earnings Per Share, Basic, Total Earnings Per Share, Diluted Diluted Earnings Per Share, Diluted, Total Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding: Basic Weighted Average Number of Shares Outstanding, Basic, Total Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Consolidated Statements Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Accumulated Deficit [Member] Shares, Issued Balance, shares Balance, shares Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Adjustment Amount Cumulative-effect of change in accounting principle Issuance of common stock [abstract]. Issuance of Common Stock [Abstract] Issuance of common stock: Stock Issued During Period, Value, Stock Options Exercised Upon exercise of stock options StockIssuedDuringPeriodSharesStockOptionsExercised Upon exercise of stock options, shares Stock Issued During Period Value Stock Warrants Exercised Stock Issued During Period Value Stock Warrants Exercised Upon exercise of warrants (net of non-cash offering costs of $2,164,773) Stock Issued During Period Shares Stock Warrants Exercised Stock Issued During Period Shares Stock Warrants Exercised Upon exercise of warrants (net of non-cash offering costs of $2,164,773), shares Issuance Of Warrants Issuance of warrants Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total Share-based compensation expense Adjustments oo additional paid in capital warrant extension. Adjustments To Additional Paid In Capital Warrant Extension Warrant extension Adjustments to Additional Paid in Capital, Other Separation of Parametric Sound Corporation Issuance Of Common Stock Upon Exercise Of Warrants Net Offering Costs Issuance Of Common Stock Upon Exercise Of Warrants Net Offering Costs Issuance of common stock upon exercise of warrants, non-cash offering costs Condensed Consolidated Statements Of Cash Flows [Abstract] Operating Activities: Adjustments to reconcile net (loss) income to net cash used in operating activities: Adjustments to reconcile net income to net cash provided by operating activities of continuing operations: Depreciation, Depletion and Amortization Depreciation and amortization Depreciation, Depletion and Amortization, Total Standard Product Warranty Accrual, Period Increase (Decrease) Warranty provision Standard Product Warranty Accrual, Period Increase (Decrease), Total Inventory Write-down Inventory obsolescence Inventory obsolescence Share-based Compensation, operating Share-based compensation Share-based Compensation, Total Impairment of Intangible Assets, Finite-lived Loss on impairment of patents Changes in operating assets and liabilities: Increase (Decrease) in Restricted Cash for Operating Activities Restricted cash Restricted Cash Increase (Decrease) in Accounts Receivable Accounts receivable Accounts receivable Increase (Decrease) in Inventories Inventories Inventories Increase (Decrease) in Inventories, Total Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other Prepaid expenses and other Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total Increase Decrease in Prepaid Expenses - Noncurrent Prepaid expenses - noncurrent Prepaid expenses - noncurrent Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accounts Payable, Total Standard Product Warranty Accrual, Payments Warranty settlements Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Accrued Liabilities, Total Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities of continuing operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Net cash provided by operating activities of discontinued operations Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Investing Activities: Payments to Acquire Property, Plant, and Equipment Purchase of equipment Purchase of equipment Payments to Acquire Property, Plant, and Equipment, Total Payments to Acquire Intangible Assets Patent costs paid Patent costs paid Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Financing Activities: Proceeds from Warrant Exercises Proceeds from exercise of warrants 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 Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Supplemental Disclosure of Cash Flow Information Interest Paid Cash paid for interest Interest Paid, Total Income Taxes Paid Cash paid for taxes Supplemental schedule of noncash investing and financing activities: Noncash investing and financing activities: Reclassification of warrants from equity to a liability. Reclassification of Warrants from Equity to a Liability Reclassification of warrants from equity to a liability Issued warrants classified as offering costs. Issued Warrants Classified as Offering Costs Issued warrants classified as offering costs Operations [Abstract] Nature of Operations [Text Block] Operations Basis Of Presentation And Significant Accounting Policies [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Basis Of Presentation And Significant Accounting Policies Recent Accounting Pronouncements [Abstract] Description of New Accounting Pronouncements Not yet Adopted [Text Block] Recent Accounting Pronouncements Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Restricted Cash [Abstract] Restricted Assets Disclosure [Text Block] Restricted Cash Inventories, Net [Abstract] Inventory Disclosure [Text Block] Inventories, Net Property And Equipment, Net [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property And Equipment, Net Intangible Assets, Net [Abstract] Intangible Assets Disclosure [Text Block] Intangible Assets, Net Prepaid Expenses [Abstract] Prepaid expenses text block. Prepaid Expenses Text Block Prepaid Expenses Accrued And Other Liabilities [Abstract] Accrued Liabilities [Text Block] Accrued And Other Liabilities Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Share-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Stockholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Earnings Per Share [Text Block] Net Income Per Share Major Customers, Suppliers, Segment And Related Information [Abstract] Segment Reporting Disclosure [Text Block] Major Customers, Suppliers, Segment And Related Information Spinoff of subsidiary Spin-Off Of Parametric Sound Corporation [Abstract] Spinoff of subsidiary text block Spinoff Of Subsidiary Text Block Spin-Off Of Parametric Sound Corporation Discontinued Operations Reporting [Abstract] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations Reporting Related Party [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Subsequent Event [Abstract] Subsequent Events [Text Block] Subsequent Event