Document and Entity Information Statement [Table] Statement [Line Items] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Condensed Consolidated Balance Sheets 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 (including $18 and $123 from related parties as of September 30, 2018 and December 31, 2017, respectively) Inventory, Net Inventory Total Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Restricted Cash, Noncurrent Restricted Cash Property, Plant and Equipment, Net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Goodwill Balance as of end of period Balance as of beginning of period Goodwill Other Assets, Noncurrent Other non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and stockholders' equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable (including $19 and $0 to related parties as of September 30, 2018 and December 31, 2017) Accrued Employee Benefits, Current Accrued compensation and benefits Other Accrued Liabilities, Current Other accrued expenses (including $199 and $170 to related parties as of September 30, 2018 and December 31, 2017, respectively) Total accrued expenses Deferred Revenue, Current Deferred revenue (including $53 and $1,182 with related parties as of September 30, 2018 and December 31, 2017, respectively) Long-term Debt, Current Maturities Current portion of long term debt Liabilities, Current Total current liabilities Deferred Revenue, Noncurrent Deferred revenue, net of current portion (including $0 and $1,074 with related parties as of September 30, 2018 and December 31, 2017, respectively) Long-term Debt, Excluding Current Maturities Long term debt, net of current portion Other Liabilities, Noncurrent Other non-current liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 11) Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.001 par value: Authorized-5,000,000 shares as of September 30, 2018 and December 31, 2017; no shares issued or outstanding as of September 30, 2018 and December 31, 2017 Common Stock, Value, Issued Common stock, $0.001 par value; Authorized-120,000,000 shares as of September 30, 2018 and December 31, 2017; issued and outstanding-22,151,410 and 21,707,041 shares as of September 30, 2018 and December 31, 2017, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Accounts Receivable, Related Parties, Current Accounts receivable, related parties Accounts Payable, Related Parties, Current Accounts payable, related parties Amount for other accrued liabilities payable to related parties, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Other Accrued Liabilities, Related Parties, Current Other accrued expenses, related parties The carrying amount of consideration received or receivable from related parties as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Deferred Revenue, Related Parties, Current Deferred revenue, current, related parties The noncurrent portion of deferred revenue from related parties, amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Deferred Revenue, Related Parties, Noncurrent Deferred revenue, net of current portion, related parties Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, authorized shares Preferred stock authorized (in shares) 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 (in dollars per share) Common Stock, Shares Authorized Common stock, authorized shares Common stock authorized (in shares) Common Stock, Shares, Issued Ending Balance (in shares) Beginning Balance (in shares) Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Condensed Consolidated Statements of Operations and Comprehensive Loss Revenues Total revenue Revenues recognized Cost of Revenue [Abstract] Cost of goods sold: Cost of Revenue Total costs of goods sold and services Gross Profit Gross profit Operating Expenses [Abstract] Operating expense: Research and Development Expense Research and development (including stock compensation expense of $152 and $361 for the three months and nine months ended September 30, 2018, respectively) Selling, General and Administrative Expense Selling, general and administrative (including stock compensation expense of $1,657 and $2,862 for the three months and nine months ended September 30, 2018, respectively) Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Interest Income (Expense), Net Interest income (expense), net Other Nonoperating Income (Expense) Other (expense) income, net Net Income (Loss) Attributable to Parent Net loss Net loss Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Reconciliation of net loss to net loss attributable to common stockholders: Temporary Equity, Accretion to Redemption Value, Adjustment Accretion of preferred stock to redemption value Accretion of redeemable convertible preferred stock to redemption value Preferred Stock Dividends, Income Statement Impact Accrued dividends on preferred stock Net Income (Loss) Available to Common Stockholders, Basic Net loss attributable to common stockholders Income (Loss) from Continuing Operations, Per Basic and Diluted Share Net loss per share attributable to common stockholders, basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted-average common shares outstanding, basic and diluted Revenue from Related Parties Related party revenue Related Parties Amount in Cost of Sales Cost of product revenue, related party activity Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan included in cost of goods and services sold. Stock Compensation Expense Included in Cost of Goods and Services Sold Stock compensation expense in cost of goods sold Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan included in research and development expenses. Stock Compensation Expense Included in Research and Development Expenses Stock compensation expense in research and development expenses Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan included in selling, general and administrative expenses. Stock Compensation Expense Included in Selling, General and Administrative Expenses Stock compensation expense in selling, general and administrative expenses Condensed Consolidated Statement 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] Changes in stockholders' equity Number of shares (or other type of equity) issued during the period as a result of exercise of common stock warrants. Stock Issued During Period, Shares, Exercise Of Common Stock Warrants Exercise of common stock warrants (in shares) Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Exercise of common stock options and vesting of restricted stock Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Exercise of common stock options and vesting of restricted stock (in shares) Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Common stock issuance offering costs Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] 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, Amortization and Accretion, Net Depreciation and amortization expense Share-based Compensation Stock-based compensation expense Paid-in-Kind Interest Non-cash interest expense Fair Value Adjustment of Warrants Change in fair value of preferred stock warrants Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Inventories Inventory Increase (Decrease) in Other Noncurrent Assets Other non-current assets Increase (Decrease) in Accounts Payable, Trade Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued compensation and benefits, other accrued expenses and other liabilities Increase (Decrease) in Deferred Revenue Deferred revenue Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Investments Purchase of investments Payments to Acquire Businesses, Net of Cash Acquired Acquisitions, net of cash acquired Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from sale of preferred stock, net of issuance costs Proceeds from Issuance of Common Stock Proceeds from sale of common stock, net of issuance costs Proceeds from Warrant Exercises Proceeds from exercise of stock warrants Proceeds from Stock Options Exercised Proceeds from stock options exercised The cash inflow from issuance of Long term debt and warrants, net of issuance costs. Proceeds From Issuance Of Long Term Debt And Warrants Net Of Issuance Costs Proceeds from the issuance of Long Term Debt and warrants, net of issuance costs Payments on Long Term Debt Payments on Long Term Debt Net Cash Provided by (Used in) Financing Activities Net cash (used in) provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, restricted cash, and cash equivalents at end of period Cash, restricted cash, and cash equivalents at beginning of period Supplemental Disclosures of Cash Flow Information Supplemental cash flow information Interest Paid, Net Cash paid for interest The amount of warrants issued to lenders. Warrants Issued To Lenders Warrants issued to lenders Capital Expenditures Incurred but Not yet Paid Purchases of property and equipment included in accounts payable Organization and operations Nature of Operations [Text Block] Organization and operations Significant accounting policies Significant Accounting Policies [Text Block] Significant accounting policies Revenue recognition Revenue from Contract with Customer [Text Block] Revenue recognition Net loss per share Earnings Per Share [Text Block] Net loss per share Fair value of financial instruments Fair Value Disclosures [Text Block] Fair value of financial instruments Inventory Inventory Disclosure [Text Block] Inventory Investments Cost-method Investments, Description [Text Block] Investments Other accrued expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Other accrued expenses Redeemable convertible preferred stock. Preferred Stock [Text Block] Redeemable convertible preferred stock Warrants, stock-based compensation, stock options, restricted stock and restricted stock units Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Warrants, stock-based compensation, stock options, restricted stock and restricted stock units Commitments and contingencies Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Commitments and contingencies Collaboration and license arrangements Commitments Disclosure [Text Block] Commitments and contingencies Long Term Debt Long-term Debt [Text Block] Long Term Debt No definition available. Collaboration and license arrangements Collaborative Arrangement Disclosure [Text Block] Collaboration and license arrangements Business combinations Business Combination Disclosure [Text Block] Business combinations Goodwill and Acquired Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Acquired Intangible Assets Related party transactions Related Party Transactions Disclosure [Text Block] Related party transactions Restricted Cash Restricted Assets Disclosure [Text Block] Restricted Cash Subsequent events Subsequent Events [Text Block] Subsequent events Consolidation, Policy [Policy Text Block] Principles of consolidation Use of Estimates, Policy [Policy Text Block] Use of estimates Business Combinations Policy [Policy Text Block] Business combinations Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash New Accounting Pronouncements, Policy [Policy Text Block] Recent accounting pronouncements Disaggregation of Revenue [Table Text Block] Schedule of net revenue by product and service line Revenue from External Customers by Geographic Areas [Table Text Block] Schedule of total revenue by geography and as a percentage of total revenue Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of fair value measurements Schedule of Inventory, Current [Table Text Block] Summary of inventory Investment [Table Text Block] Roll-forward of the fair value of the Company's convertible note Schedule of Accrued Liabilities [Table Text Block] Summary of other accrued expenses Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Summary of warrant activity Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of share-based compensation expense for all stock awards Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of stock option activity Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of fair value assumptions of stock options granted to employees and directors for their services on the Company's Board of Directors Nonvested Restricted Stock Shares Activity [Table Text Block] Summary of restricted stock activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Summary of restricted stock units activity Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of minimum future rent payments under the lease agreement Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of debt payment obligations due based on principal payments Tabular disclosure of total consideration transferred in a business combination. Schedule Of Total Consideration In A Business Combination [Table Text Block] Schedule of fair value of consideration transferred Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of fair value of assets acquired and liabilities assumed Schedule of Goodwill [Table Text Block] Rollforward of goodwill balance Schedule of Finite-Lived Intangible Assets [Table Text Block] Summary of purchased intangible assets Finite-lived Intangible Assets Amortization Expense [Table Text Block] Schedule of future estimated amortization expense of acquired intangibles Schedule of Stock by Class [Table] Class of Stock [Line Items] Initial Public Offering