Equity Components [Axis] Common Stock Additional Paid-In Capital Accumulated Deficit Property, Plant and Equipment, Type [Axis] Laboratory equipment Tooling Computer equipment Furniture and fixtures Award Type [Axis] Selling, general and administrative Research and development Range [Axis] Minimum Maximum Liability Class [Axis] Patent costs Accrued compensation Warranty costs Other Exercise Price Range [Axis] $1.50 $3.00 - $3.61 Class of Warrant or Right [Axis] Purchase Warrants Agent Warrants Document and Entity Information Entity Registrant Name Document Type Document Period End Date Amendment Flag Entity Central Index Key Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Entity Public Float Entity Filer Category Entity Emerging Growth Company Entity Extended Transition Period Entity Small Business Entity Shell Company Entity Current Reporting Status Entity Voluntary Filers Entity Well-known Seasoned Issuer Document Fiscal Year Focus Document Fiscal Period Focus Statement of Financial Position [Abstract] ASSETS Current assets: Cash Accounts receivable Inventories Prepaid expenses and other current assets Total current assets Property and equipment, net Intangible assets, net Other assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current Liabilities: Accounts payable Accrued liabilities Deferred and accrued officer compensation Total current liabilities Commitments and contingencies (Note 9) Stockholders' equity: Preferred stock - 5,000,000 authorized; par value $0.0001 per share; none issued and outstanding Common stock - 150,000,000 authorized; par value $0.0001 per share; 27,364,607 and 22,803,533 shares issued and outstanding, respectively Additional paid in capital Accumulated deficit Total stockholders' equity Total liabilities and stockholders' equity Preferred stock, authorized Preferred stock, par value Preferred stock, issued Preferred stock, outstanding Common stock, authorized Common stock, par value Common stock, issued Common stock, outstanding Income Statement [Abstract] Revenues: Product sales Other revenue Total revenues Cost of revenues Gross profit Operating expenses: Selling, general and administrative Research and development Total expenses Loss from operations Other income (expense): Interest income Interest expense Other Other income (expense) Net loss Net loss per basic common share Weighted average common shares used to compute net loss per basic common share Statement [Table] Statement [Line Items] Beginning Balance, shares Beginning Balance, amount Sale of common stock and warrants at $3.00 per share and placement agent warrants in private offering, net of issuance costs, shares Sale of common stock and warrants at $3.00 per share and placement agent warrants in private offering, net of issuance costs, amount Sale of common stock in January 2017 at $0.10447 per share, shares Sale of common stock in January 2017 at $0.10447 per share, amount Shares issued to acquire merger subsidiary to effect reverse recapitalization, shares Shares issued to acquire merger subsidiary to effect reverse recapitalization, amount Sale of common stock in July 2017 at $0.10447 per share, shares Sale of common stock in July 2017 at $0.10447 per share, amount Sale of common stock in public offering at $1.50 per share in fourth quarter of 2017, net of issuance costs Sale of common stock in public offering at $1.50 per share in fourth quarter of 2017, net of issuance costs Share-based compensation expense Net loss for the period Ending Balance, shares Ending Balance, amount Statement of Cash Flows [Abstract] Cash Flows From Operating Activities: Net loss Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization Share-based compensation Changes in assets and liabilities: Accounts receivable Inventories Prepaid expenses and other current assets Accounts payable Deferred and accrued officer compensation Accrued liabilities and other Net cash used in operating activities Cash Flows From Investing Activities: Capital expenditures for property and equipment Investment in patents and trademarks Net cash used in investing activities Cash Flows From Financing Activities: Sale of common stock and warrants Offering costs paid Payment of notes payable Net cash provided by financing activities Net increase in cash and cash equivalents Cash, beginning of period Cash, end of period Supplemental Disclosure of Non-Cash Investing and Financing Activities: Interest paid Non-cash investing and financing activities: Prepaid insurance financed with note payable Issuance costs relating to warrants issued to private offering selling agent Organization And Summary Of Significant Accounting Policies ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Revenue And Product Costs REVENUE AND PRODUCT COSTS Inventory Disclosure [Abstract] INVENTORIES, NET Property And Equipment Net PROPERTY AND EQUIPMENT, NET Intangible Assets Net INTANGIBLE ASSETS, NET Current Liabilities CURRENT LIABILITIES Deferred And Accrued Compensation DEFERRED AND ACCRUED COMPENSATION Stockholders Equity And Share-based Compensation STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION Commitments And Contingencies COMMITMENTS AND CONTINGENCIES Income Taxes INCOME TAXES Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Organization And Summary Of Significant Accounting Policies Policies Organization and Business Description Basis of Presentation and Use of Estimates Public and Private Offerings Stock Based Compensation Going Concern Loss per Share Fair Value of Financial Instruments Concentrations of Credit Risk Accounts Receivable and Allowance for Doubtful Accounts Inventories Property, Equipment and Depreciation Intangible Assets Impairment of Long-Lived Assets Classification and Valuation of Warrants Startup Costs Advertising and Promotion Costs Research and Development Costs Leases Revenue Recognition Shipping and Handling Costs Warranty and Reserves Segment Information Income Taxes Subsequent Events Recent Accounting Pronouncements Inventories Net Tables Schedule of inventories Property And Equipment Net Tables Property and equipment Current Liabilities Accrued liabilities Stockholders Equity And Share-based Compensation Stock option activity Stock-based compensation Assumptions used to compute the fair value of options granted Stock options outstanding Warrants Income Taxes Tables Provision for (benefit from) income taxes Reconciliation of the provision for income taxes Deferred tax assets and liabilities Organization And Summary Of Significant Accounting Policies Details Narrative Loss from operations Net cash used in operating and investing activities Current liabilities Lease commitments Inventories Net Details Finished goods Work in process Raw materials Inventory Property and equipment, gross Accumulated depreciation Property And Equipment Net Details Narrative Depreciation expense Stockholders' Equity Attributable to Parent [Abstract] Number of options outstanding, beginning Number of options granted Number of options exercised Number of options forfeited/cancelled Number of options outstanding, ending Number of options vested and exercisable Weighted average exercise price outstanding, beginning Weighted average exercise price granted Weighted average exercise price exercised Weighted average exercise price forfeited/cancelled Weighted average exercise price outstanding, ending Weighted average exercise price vested and exercisable Weighted average remaining contractual term granted Weighted average remaining contractual term outstanding, ending Weighted average remaining contractual term vested and exercisable Aggregate intrinsic value outstanding, beginning Aggregate intrinsic value granted Aggregate intrinsic value exercised Aggregate intrinsic value forfeited/cancelled Aggregate intrinsic value outstanding, ending Aggregate intrinsic value vested and exercisable Expected stock price volatility Risk-free interest rate Forfeiture rate Expected dividend yield Expected life of options - years Weighted-average fair value of options granted Number of options outstanding Weighted average remaining contractual term outstanding Weighted average exercise price outstanding Number exercisable Weighted average exercise price exerciseable Number of Common Shares Exercise Price Per Share Expiration Date Commitments And Contingencies Details Narrative Rent expense Future annual minimum lease obligations 2019 2020 Income Taxes Details Current tax benefit Deferred tax benefit Change in valuation allowance Income tax benefit (provision) Income Taxes Details 1 Income taxes benefit computed at federal statutory rate Research tax credits Permanent differences and other Income Taxes Details 2 Deferred tax assets: Net operating losses Research tax credits Deferred compensation Stock compensation Accruals and other Deferred tax assets Deferred tax liabilities: Depreciation and other Deferred tax liabilities Net deferred tax assets Less valuation allowance Net deferred taxes after valuation allowance Custom Element. Assets, Current Assets Stockholders' Equity Attributable to Parent Liabilities and Equity Revenues Gross Profit Selling, General and Administrative Expense Research and Development Expense Operating Expenses Interest Expense Other Income Interest Income (Expense), Net Shares, Issued StockIssuedDuringPeriodValueNewIssues6 Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accounts Payable Increase (Decrease) in Deferred Compensation Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment InvestmentInPatentsAndTrademarks Net Cash Provided by (Used in) Investing Activities OfferingCostsPaidInConnectionWithSaleOfCommonStock Repayments of Notes Payable Net Cash Provided by (Used in) Financing Activities Cash, Period Increase (Decrease) Inventory, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment NumberOfOptionsExercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Deferred Tax Assets, Tax Credit Carryforwards, Research Deferred Tax Assets, Valuation Allowance