Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series A Series A Preferred Stock [Member] Series B Series B Preferred Stock [Member] Series C Series C Preferred Stock [Member] Series D Series D Preferred Stock [Member] Series E Series E Preferred Stock [Member] Series F Series F Preferred Stock [Member] Series G Series G Preferred Stock [Member] Series H Series H Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Convertible preferred stock, par value (in shares) Temporary Equity, Par or Stated Value Per Share Convertible preferred stock, authorized (in shares) Temporary Equity, Shares Authorized Convertible preferred stock, issued (in shares) Temporary Equity, Shares Issued Convertible preferred stock, outstanding (in shares) Temporary Equity, Shares Outstanding Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, issued (in shares) Preferred Stock, Shares Issued Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, authorized (in shares) Common Stock, Shares Authorized Common stock, issued (in shares) Common Stock, Shares, Issued Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Restructuring and Related Activities [Abstract] Restructuring expenses Restructuring Charges Accrued unpaid liabilities, contract termination Restructuring Reserve Debt Disclosure [Abstract] Schedule of debt balances Schedule of Long-term Debt Instruments [Table Text Block] Inventory Disclosure [Abstract] Schedule of major classes of inventory Schedule of Inventory, Current [Table Text Block] Share-based Payment Arrangement [Abstract] Share-Based Compensation Share-based Payment Arrangement [Text Block] Restructuring Restructuring and Related Activities Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] IPO IPO [Member] Over-allotment option Over-Allotment Option [Member] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Sale of stock, number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Sale of stock, price per share (in dollars per share) Sale of Stock, Price Per Share Proceeds from IPO, net Sale of Stock, Consideration Received on Transaction Underwriting discounts and commissions Sale of Stock, Discounts and Commissions Sale of Stock, Discounts and Commissions Sale of stock, issuance costs Stock Issued During Period, Stock Issuance Costs Stock Issued During Period, Stock Issuance Costs Number of common stock shares converted Stock Issued During Period, Shares, Conversion of Convertible Securities Number of shares issued for each share of convertible preferred stock converted (in shares) Convertible Preferred Stock, Shares Issued upon Conversion Number of shares able to purchase Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Net Income (Loss) Attributable to Parent Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Amortization of debt issuance costs Amortization of Debt Issuance Costs Change in preferred and common stock warrant liabilities Fair Value Adjustment of Warrants Net change in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivables Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities Long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of fixed assets Proceeds from Sale of Property, Plant, and Equipment Purchases of property, plant and equipment held for sale Payments to Acquire Property, Plant, and Equipment, Held-for-sale Payments to Acquire Property, Plant, and Equipment, Held-for-sale Payment of security deposits Payments for Security Deposits Payments for Security Deposits Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of common stock pursuant to the initial public offering, net of issuance costs Proceeds from Issuance Initial Public Offering Proceeds from Series G preferred stock offering, net of offering costs Proceeds from Issuance of Convertible Preferred Stock Proceeds from bank term loan borrowing Proceeds from Issuance of Secured Debt Repayments on revolving credit line Repayments of Lines of Credit Repayment on term loan Repayments of Secured Debt Repayment of Missouri Note Repayments of Unsecured Debt Payments of capital lease obligations Repayments of Long-term Capital Lease Obligations Proceeds from exercise of stock options Proceeds from Stock Options Exercised Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents at the beginning of the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at the end of the period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid during the period for: Cash Paid [Abstract] Cash Paid [Abstract] Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Taxes Income Taxes Paid, Net Non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Capital lease obligations for the purchase of property, plant and equipment Lease Obligation Incurred Issuance of convertible preferred stock warrants in connection with debt Issuance of Convertible Preferred Stock Warrants in Connection with Debt Issuance of Convertible Preferred Stock Warrants in Connection with Debt Non-cash additions to property, plant and equipment Capital Expenditures Incurred but Not yet Paid Deferred offering costs, accrued not yet paid Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Non-cash additions to property, plant and equipment held for sale Noncash Additions to Property, Plant and Equipment Held-for-sale Noncash Additions to Property, Plant and Equipment Held-for-sale Reclassification of warrant liability to additional paid-in capital in connection with the initial public offering Adjustments to Additional Paid in Capital, Warrant Issued Issuance of common stock upon conversion of convertible preferred stock Stock Issued During Period, Value, Conversion of Convertible Securities Accounting Policies [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Management’s Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Deferred Offering Costs Deferred Charges, Policy [Policy Text Block] Stock Warrant Liability Stock Warrant Liability, Policy [Policy Text Block] Stock Warrant Liability, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Earnings (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Recently Adopted and New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Property, Plant and Equipment [Abstract] Summary of property, plant, and equipment Property, Plant and Equipment [Table Text Block] Cover page. Entity Registrant Name Entity Registrant Name Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Document Type Document Type Document Period End Date Document Period End Date Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Central Index Key Entity Central Index Key Entity Filer Category Entity Filer Category Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Entity Ex Transition Period Entity Ex Transition Period Entity File Number Entity File Number Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Shell Company Entity Shell Company Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Class of Warrant or Right [Table] Class of Warrant or Right [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Restricted stock unit Restricted Stock Units (RSUs) [Member] Non-qualified stock option Non-qualified Stock Option [Member] Non-qualified Stock Option [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2018 Plan 2018 Equity Incentive Plan [Member] 2018 Equity Incentive Plan [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Consulting agreement Consulting Agreement [Member] Consulting Agreement [Member] Advisor agreement Advisor Agreement [Member] Advisor Agreement [Member] Amended advisor agreement Amended Advisor Agreement [Member] Amended Advisor Agreement [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Executive Chair Executive Officer [Member] Food System Strategies, LLC Affiliated Entity [Member] Donald Thompson Donald Thompson [Member] Donald Thompson [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] International Non-US [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Distributor one Distributor One [Member] Distributor One [Member] Distributor two Distributor Two [Member] Distributor Two [Member] Distributor three Distributor Three [Member] Distributor Three [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer concentration risk Customer Concentration Risk [Member] Geographic concentration risk Geographic Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue benchmark Revenue Benchmark [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Shipping and handling Shipping and Handling [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Line of credit Line of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] SVB Credit Facilities SVB Credit Facilities [Member] SVB Credit Facilities [Member] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Stock split, conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Deferred offering costs, incurred Deferred Offering Costs, Incurred Deferred Offering Costs, Incurred Accrued stock issuance costs Deferred Offering Costs, Incurred But Not Yet Paid Deferred Offering Costs, Incurred But Not Yet Paid Number of warrants issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Warrants outstanding (in shares) Class of Warrant or Right, Outstanding Liability for estimated sales discounts Customer Refund Liability, Current Concentration risk Concentration Risk, Percentage Cost of goods sold Cost of Goods and Services Sold Monthly transaction amount Related Party Transaction, Monthly Transaction Amount Related Party Transaction, Monthly Transaction Amount Fair value per share (in dollars per share) Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Termination period upon prior written notice Related Party Transactions, Termination Rights, Prior Written Notice Period Related Party Transactions, Termination Rights, Prior Written Notice Period Breach, termination period upon prior written notice, non-breaching party Related Party Transactions, Termination Rights, Prior Written Notice Period, Breach Related Party Transactions, Termination Rights, Prior Written Notice Period, Breach Daily transaction amount Related Party Transaction, Daily Transaction Amount Related Party Transaction, Daily Transaction Amount Days of service Related Party Transaction, Days of Service Per Month Related Party Transaction, Days of Service Per Month Stock options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Consulting fees, related party Related Party Transaction, Expenses from Transactions with Related Party Inventories Inventory Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Manufacturing equipment Equipment [Member] Research and development equipment Research And Development Equipment [Member] Research And Development Equipment [Member] Leasehold improvements Leasehold Improvements [Member] Capital leases Assets Held under Capital Leases [Member] Software Software and Software Development Costs [Member] Furniture and fixtures Furniture and Fixtures [Member] Vehicles Vehicles [Member] Assets not yet placed in service Asset under Construction [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Total property, plant and equipment Property, Plant and Equipment, Gross Less: accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Income tax expense Income Tax Expense (Benefit) Accrued interest or penalties related to uncertain tax positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Fair value of warrants issued during the period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Change in fair value of warrant liability Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Reclassification of warrant liability to additional paid-in capital in connection with the IPO Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Ending balance Number of Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Cancelled/Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding, ending balance (in shares) Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cancelled/Forfeited (in shares) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding, ending balance (in dollars per share) Aggregate Intrinsic Value Aggregate Intrinsic Value [Roll Forward] Aggregate Intrinsic Value [Abstract] Outstanding at December 31, 2018 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Cancelled/Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Intrinsic Value Outstanding at June 29, 2019 Stock Option Activity, Additional Disclosures Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted average remaining contractual life, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life, vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted average remaining contractual life, vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested and exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Vested and exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Vested and expected to vest (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Aggregate intrinsic value, vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Aggregate intrinsic value, vested and expected to vest Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested And Expected To Vest, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Intrinsic Value Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Restricted stock Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Shares of Restricted Stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested/Released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding, ending balance (in shares) Restricted Stock Activity, Additional Disclosures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted Average Remaining Contractual Life (Years) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Weighted Average Grant Date Fair Value Per Share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of goods sold Cost of Sales [Member] Research and development expense Research and Development Expense [Member] SG&A expense Selling, General and Administrative Expenses [Member] Assets held-for-sale Assets Held-for-sale, Not Part of Disposal Group, Current Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Inventory Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant, and equipment, net Other non-current assets, net Other Assets, Noncurrent Total assets Assets Liabilities, Convertible Preferred Stock and Stockholders’ Equity (Deficit): Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Wages payable Accrued Salaries, Current Accrued bonus Accrued Bonuses, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Short-term borrowings under revolving credit line Line of Credit, Current Short-term capital lease liabilities Capital Lease Obligations, Current Stock warrant liability Warrants and Rights Outstanding Total current liabilities Liabilities, Current Long-term liabilities: Liabilities, Noncurrent [Abstract] Revolving credit line Long-term Line of Credit, Noncurrent Long-term portion of bank term loan, net Loans Payable to Bank, Noncurrent Equipment loan, net Other Loans Payable, Long-term, Noncurrent Capital lease obligations and other long-term liabilities Capital Lease Obligations And Other Liabilities, Noncurrent Capital Lease Obligations and Other Liabilities, Noncurrent Total long-term liabilities Liabilities, Noncurrent Commitments and Contingencies (Note 9) Commitments and Contingencies Convertible preferred stock: Convertible Preferred Stock [Abstract] Convertible Preferred Stock [Abstract] Convertible preferred stock Temporary Equity, Carrying Amount, Attributable to Parent Stockholders’ equity (deficit): Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value $0.0001 per share—500,000 shares authorized, none issued and outstanding Preferred Stock, Value, Issued Common stock, par value $0.0001 per share—500,000,000 shares and 58,669,600 shares authorized at June 29, 2019 and December 31, 2018, respectively; 60,167,521 and 6,951,350 shares issued and outstanding at June 29, 2019 and December 31, 2018, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity (deficit) Stockholders' Equity Attributable to Parent Total liabilities, convertible preferred stock and stockholders’ equity (deficit) Liabilities and Equity Earnings Per Share [Abstract] Net Loss Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Antidilutive securities excluded from computation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Numerator: Numerator [Abstract] Numerator [Abstract] Net loss Denominator: Denominator [Abstract] Denominator [Abstract] Weighted average common shares outstanding—basic (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Dilutive effect of stock equivalents resulting from stock options, RSUs, common stock warrants, preferred stock warrants and convertible preferred stock (as converted) (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Weighted average common shares outstanding-diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Net loss per common share—basic and diluted (in dollars per share) Earnings Per Share, Basic and Diluted Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Gross Fresh Platform Fresh [Member] Fresh [Member] Gross Frozen Platform Frozen [Member] Frozen [Member] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Retail Sales Channel, Directly to Consumer [Member] Restaurant and Foodservice Sales Channel, Through Intermediary [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Gross revenues Revenue from Contract with Customer, Excluding Assessed Tax, Gross Revenue from Contract with Customer, Excluding Assessed Tax, Gross Less: Discounts Sales Discount Sales Discount Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Income Statement [Abstract] Gross profit Gross Profit Research and development expenses Research and Development Expense Selling, general and administrative expenses Selling, General and Administrative Expense Total operating expenses Operating Expenses Income (loss) from operations Operating Income (Loss) Other expense, net: Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Remeasurement of warrant liability Other income, net Other Nonoperating Income (Expense) Total other expense, net Nonoperating Income (Expense) Loss before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net loss Weighted average common shares outstanding—basic and diluted (in shares) Schedule of financial instruments measured at fair value Fair Value, Assets Measured on Recurring Basis [Table Text Block] Summary of changes in fair value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of net revenues by platform and channel Disaggregation of Revenue [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] 2018 Revolving Credit Facility Revolving Credit Facility [Member] Loan facility Loans Payable [Member] 2018 Term Loan Facility 2018 Term Loan Facility [Member] 2018 Term Loan Facility [Member] Equipment financing loan Equipment Financing Loan [Member] Equipment Financing Loan [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt, outstanding balance Long-term Debt, Gross Debt issuance costs Debt Issuance Costs, Net Total debt outstanding Long-term Debt Less: current portion of long-term debt Long-term Debt, Current Maturities Long-term debt Long-term Debt, Excluding Current Maturities Raw materials and packaging Inventory, Raw Materials and Supplies, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total Stockholders’ Equity (Deficit) and Convertible Preferred Stock Stockholders' Equity Note Disclosure [Text Block] Schedule of basic and diluted net loss per common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Statement of Stockholders' Equity [Abstract] Stock offering costs Issuance costs, preferred stock Temporary Equity, Stock Issuance Costs Temporary Equity, Stock Issuance Costs Additional Paid-in Capital Additional Paid-in Capital [Member] Loans to Related Parties Loans to Related Parties [Member] Loans to Related Parties [Member] Accumulated Deficit Retained Earnings [Member] Preferred Stock Increase (Decrease) in Temporary Equity [Roll Forward] Beginning balance (in shares) Beginning balance Issuance of common stock upon conversion of convertible preferred stock (in shares) Reclassifications of Temporary to Permanent Equity, Shares Reclassifications of Temporary to Permanent Equity, Shares Issuance of common stock upon conversion of convertible preferred stock Reclassifications of Temporary to Permanent Equity Issuance of Series G preferred stock, net of issuance costs Temporary Equity, Stock Issued During Period, Shares, New Issues Temporary Equity, Stock Issued During Period, Shares, New Issues Issuance of Series G preferred stock, net of issuance costs Temporary Equity, Stock Issued During Period, Value, New Issues Ending balance (in shares) Ending balance Common Stock Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance (in shares) Shares, Outstanding Beginning balance Issuance of common stock through equity incentive plans (in shares) Stock Issued During Period, Shares, Employee Stock Ownership Plan Issuance of common stock through equity incentive plans Stock Issued During Period, Value, Employee Stock Ownership Plan Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Issuance of common stock upon conversion of convertible preferred stock (in shares) Issuance of common stock upon exercise of common stock warrants (in shares) Stock Issued During Period, Shares, Exercise of Warrants Stock Issued During Period, Shares, Exercise of Warrants Issuance of common stock upon exercise of common stock warrants Stock Issued During Period, Value, Exercise of Warrants Stock Issued During Period, Value, Exercise of Warrants Ending balance (in shares) Ending balance Debt Debt Disclosure [Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Former co-manufacturer complaint Former Co-Manufacturer Complaint [Member] Former Co-Manufacturer Complaint [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending litigation Pending Litigation [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Lease Obligations Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Lease term Lessee, Operating Lease, Term of Contract Aggregate lease amount Operating Leases, Future Minimum Payments Due Lease obligation due through 2023 Operating Leases, Future Minimum Payments, Due in Next Five Years Operating Leases, Future Minimum Payments, Due in Next Five Years Lease obligation due annually, 2019 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Lease obligation due annually, 2020 Operating Leases, Future Minimum Payments, Due in Two Years Lease obligation due annually, 2021 Operating Leases, Future Minimum Payments, Due in Three Years Lease obligation due annually, 2022 Operating Leases, Future Minimum Payments, Due in Four Years Lease obligation due annually, 2023 Operating Leases, Future Minimum Payments, Due in Five Years Lease obligation due thereafter Operating Leases, Future Minimum Payments, Due Thereafter Purchase commitments Purchase Commitment, Remaining Minimum Amount Committed Number of defendants Loss Contingency, Number of Defendants Introduction Nature of Operations [Text Block] Schedule of stock option activity Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Schedule of RSU activity Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Schedule of restricted stock activity Nonvested Restricted Stock Shares Activity [Table Text Block] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] First anniversary Share-based Payment Arrangement, Tranche One [Member] Thereafter Share-based Payment Arrangement, Tranche Two [Member] Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Title of Individual [Domain] Executive Officer Grantee Status [Axis] Grantee Status [Axis] Grantee Status [Domain] Grantee Status [Domain] Employee Share-based Payment Arrangement, Employee [Member] Nonemployee Share-based Payment Arrangement, Nonemployee [Member] Employee Stock Employee Stock [Member] Employee stock options Share-based Payment Arrangement, Option [Member] Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Beginning 2020 fiscal year Beginning 2020 Fiscal Year [Member] Beginning 2020 Fiscal Year [Member] 2018 ESPP 2018 Employee Stock Purchase Plan [Member] 2018 Employee Stock Purchase Plan [Member] Shares authorized for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Additional shares authorized annually (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Per Year Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized per Year Percent of common stock outstanding, per year Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum Per Year Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum per Year Exercise price (in dollars per share) Purchase price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Purchase Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Purchase Price Per Share Fair value per share (in dollars per share) Stock options outstanding (in shares) Shares issued (in shares) Shares issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Share-based compensation expense Share-based Payment Arrangement, Expense Unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized share-based compensation expense Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation expense, period of recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Shares of restricted stock purchased by nonemployees (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested, Purchased Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested, Purchased Period of additional shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Authorization of Additional Shares Period Share-based Compensation Arrangement by Share-based Payment Award, Authorization of Additional Shares Period Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Preferred stock warrant liability Preferred Stock Warrants [Member] Preferred Stock Warrants [Member] Common stock warrant liability Common Stock Warrants [Member] Common Stock Warrants [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Recurring Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total Financial and Nonfinancial Liabilities, Fair Value Disclosure Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Advance at closing Debt Instrument, Redemption, Period One [Member] Advance if no event of default through borrowing date Debt Instrument, Redemption, Period Two [Member] Advance if no event of default, based on minimum level of gross profit Debt Instrument, Redemption, Period Three [Member] Debt issuance costs Debt, face amount Debt Instrument, Face Amount Variable annual interest rate Debt Instrument, Basis Spread on Variable Rate Variable annual interest rate, additional upon default Debt Instrument, Debt Default, Basis Spread on Variable Rate Debt Instrument, Debt Default, Basis Spread on Variable Rate Current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Interest expense Interest Expense, Debt Interest rate Debt Instrument, Interest Rate, Effective Percentage