Document And Entity Information Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus 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 Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Balance Sheets Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net Inventory, Net Inventory Total inventory Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Operating Lease, Right-of-Use Asset Right-of-use assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total accrued liabilities Long-term Debt, Current Maturities Current portion of long-term debt Net carrying value of debt, Current Portion Operating Lease, Liability, Current Less: Current portion of operating lease liabilities Operating lease liabilities Other Liabilities, Current Other liabilities Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt, net of current portion Net carrying value of debt, Long-term debt Operating Lease, Liability, Noncurrent Total operating lease liabilities, net of current portion Operating lease liabilities, net of current portion Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders’ equity: Preferred Stock, Value, Issued Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized; no shares issued and outstanding as of December 31, 2019 and December 31, 2018 Common Stock, Value, Issued Common stock, $0.0001 par value per share; 100,000,000 shares authorized; 18,081,753 and 17,095,456 shares issued and outstanding as of December 31, 2019 and December 31, 2018 Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Balance Balance Total stockholders’ equity Liabilities and 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 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 Statements of Operations and Comprehensive Loss Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Product [Member] Product sales Pertaining to licensing, royalty and other revenues. Licensing Royalty And Other Revenues [Member] Licensing, royalty and other revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Revenue Cost of Goods and Services Sold Cost of sales Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Research and development expense General and Administrative Expense General and administrative Selling and Marketing Expense Sales and marketing Restructuring Charges Restructuring Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other income, net Net Income (Loss) Attributable to Parent Net loss Net loss and comprehensive loss Earnings Per Share, Basic and Diluted Net loss per common share, basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted-average common shares outstanding used to calculate net loss per common share, basic and diluted Weighted-average shares used to compute net loss per common share, basic and diluted Compensation Items [Abstract] Operating expenses includes stock-based compensation as follows: Share-based Compensation Stock-based compensation Total stock-based compensation Statements of Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Accumulated Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance (in shares) Balance (in shares) Cumulative Effect on Retained Earnings, Net of Tax Adjustment to opening balance for adoption of new accounting standard Stock Issued During Period, Value, New Issues Issuance of common stock, net of issuance costs Stock Issued During Period, Shares, New Issues Number of shares sold Issuance of common stock (in shares) Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Value of share issued Issuance of common stock under stock incentive plans Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Number of shares issued (in shares) Issuance of common stock under stock incentive plans (in shares) Adjustments to Additional Paid in Capital, Warrant Issued Issuance of warrant Amount of increase (decrease) in additional paid in capital (APIC) resulting from the modification of warrants. Adjustments to Additional Paid in Capital, Warrant Modification Modification of warrant in conjunction with 2019 Credit Facility Represents the amount of increase in additional paid in capital (APIC) resulting from vesting of common stock. Adjustments To Additional Paid In Capital Share Based Compensation Vesting Of Common Stock Compensation expense related to vesting of common stock issued to GLOBALFOUNDRIES Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Statement of Cash Flows Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss on disposal of property and equipment It represents the amount of gain on warrant revaluation during the period. Gain On Warrant Revaluation Non-cash gain on warrant revaluation Amortization of Debt Issuance Costs and Discounts Non-cash interest expense Compensation expense related to vesting of common stock. Compensation Expense Related To Vesting of Common Stock Compensation expense related to vesting of common stock to GLOBALFOUNDRIES Non-cash compensation expense (income) Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued liabilities The increase (decrease) in lease liabilities. Increase (Decrease) in Lease Liabilities Operating lease liabilities The increase (decrease) in shipping terms. Increase Decrease in Shipping Terms Shipping term reversal Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities Proceeds from Issuance of Common Stock Proceeds from the issuance of common stock, net of offering costs Net proceeds Proceeds from Issuance of Debt Proceeds from debt Repayments of Debt Payments on debt Payments of Debt Issuance Costs Payments of debt issuance costs The cash outflow for finance lease obligations. Payments on Finance Lease Obligations Payments on finance lease obligation Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Proceeds from exercise of stock options and purchase of shares in employee stock purchase plan Proceeds from Issuance of Private Placement Proceeds from issuance of common stock in at-the-market offering, net of issuance costs Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Supplemental Cash Flow Information [Abstract] Supplementary cash flow information: Interest Paid, Net Interest paid Income Taxes Paid, Net Cash paid for taxes Operating Lease, Payments Operating cash flows paid for operating leases Finance Lease, Principal Payments Financing cash flows paid for finance leases Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities: Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-use assets obtained in exchange for new operating leases Amount of increase of right of use asset and lease liability due to lease modification. Increase Of Right Of Use Asset And Lease Liability Due To Lease Modification Increase of right-of-use asset and lease liability due to lease modification Liabilities Assumed Purchase of property and equipment in accounts payable and accrued liabilities Non-cash modification of warrants. Noncash Modification of Warrants Modification of warrant Non-cash issuance of warrants in connection with debt. Noncash Issuance Of Warrants In Connection With Debt Issuance of warrant with debt Organization and Operations Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Operations Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Revenue. Revenue from Contract with Customer [Text Block] Revenue Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Debt Debt and Capital Leases Disclosures [Text Block] Debt Stockholders’ Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders’ Equity Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation 401 (k) Plan Pension and Other Postretirement Benefits Disclosure [Text Block] 401 (k) Plan Significant Arrangements [Abstract] Significant Agreements The entire disclosure for significant arrangements. Significant Arrangements [Text Block] Significant Agreements Restructuring [Abstract] Restructuring The entire disclosure for restructuring. Restructuring Disclosure [Text Block] Restructuring Geographic Information Segments Segment Reporting Disclosure [Text Block] Geographic Information Income Taxes Income Tax Disclosure [Text Block] Income Taxes Net Loss Per Common Share Earnings Per Share [Text Block] Net Loss Per Common Share Use of Estimates, Policy [Policy Text Block] Use of Estimates Segment Reporting, Policy [Policy Text Block] Segments Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts Receivable Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Inventory, Policy [Policy Text Block] Inventory Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment of Long-lived Assets Lessee, Leases [Policy Text Block] Leases Debt, Policy [Policy Text Block] Debt Issuance Costs Revenue from Contract with Customer [Policy Text Block] Revenue Recognition Standard Product Warranty, Policy [Policy Text Block] Product Warranty Research and Development Expense, Policy [Policy Text Block] Research and Development Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Stock-based Compensation Income Tax, Policy [Policy Text Block] Income Taxes Earnings Per Share, Policy [Policy Text Block] Net Loss per Common Share New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Pronouncements and Recently Issued Pronouncements Tabular disclosure of accounts receivable net. Schedule of Accounts Receivable Net [Table Text Block] Schedule of accounts receivable net Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of revenue and accounts receivable for each significant customer Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of fair value of financial assets and liabilities measured on recurring basis Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Schedule of Property, Plant and Equipment, Useful Life [Table Text Block] Schedule of estimated useful lives of the assets Disaggregation of Revenue [Table Text Block] Schedule of disaggregation of revenue Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Property, Plant and Equipment [Table Text Block] Schedule of property and equipment, net Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued liabilities