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Debt - Credit Facilities (Details) - USD ($) | Aug. 11, 2020 | Mar. 29, 2019 | Dec. 31, 2020 | Dec. 31, 2019
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Debt Instrument [Line Items] |  |  |  |
Stated interest rate |  | 5.00% |  |
Credit line borrowings, net of loan origination fees |  |  | $ 2,298,000 | $ 715,000
Amount available based on qualifying accounts | $ 4,500,000 |  |  |
Convertible Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from issuance of subordinated convertible promissory notes |  | $ 1,700,000 |  |
Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate |  |  |  | 6.75%
Revolving Credit Facility | Receivables Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity | $ 2,500,000 |  |  |
Stated interest rate |  |  | 7.90% |
Stated interest rate on collateral management fee |  |  | 5.90% |
Monthly service fee | 1.00% |  |  |
Minimum monthly fee | $ 25,000 |  |  |
Face value of accounts receivable | 90.00% |  |  |
Credit line borrowings, net of loan origination fees |  |  | $ 1,000,000.0 |
Unamortized net issuance costs |  |  | $ 40,000 |
Revolving Credit Facility | Receivables Facility | Prime Rate |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 2.00% |  |  |
Revolving Credit Facility | Inventory Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity | $ 3,000,000.0 |  |  |
Inventory costs | 75.00% |  |  |
Inventory, net orderly liquidation value | 85.00% |  |  |
Stated interest rate | 5.75% |  | 23.60% |
Monthly service fee | 1.00% |  |  |
Minimum monthly fee | $ 18,000 |  |  |
Credit line borrowings, net of loan origination fees |  |  | $ 1,300,000 |
Unamortized net issuance costs |  |  | $ 100,000 |
Revolving Credit Facility | Inventory Facility | London Interbank Offered Rate (LIBOR) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate | 4.00% |  |  |
Revolving Credit Facility | Austin Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit line borrowings, net of loan origination fees |  |  |  | $ 700,000
Annual facility period | 3 years |  |  |
Overdraft fee | 2.00% |  |  |
Collateral management fee | 0.50% |  |  |
Annual fee | 1.00% |  |  |
Payment amount | $ 1,400,000 |  |  |
Fee amount | 100,000 |  |  |
Write off of remaining related debt and acquisition cost | 59,000 |  |  |
Revolving Credit Facility | Austin Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit facility, maximum borrowing capacity | $ 5,000,000.0 |  |  |
Amount available under facility based on qualified accounts receivable | 85.00% |  |  |
Percent of net realizable value of eligible inventory | 20.00% |  |  |
Eligible inventory | $ 500,000 |  |  |
Minimum borrowing requirement | $ 1,000,000.0 |  |  |

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- Definition Debt Instrument, Interest Rate, Stated Percentage, Collateral Management Fee + References No definition available. + Details
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- Definition Line of Credit Facility, Amount Available Based On Qualified Accounts + References No definition available. + Details
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- Definition Line Of Credit Facility, Annual Facility Fee, Period + References No definition available. + Details
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- Definition Line Of Credit Facility, Annual Fee, Percent + References No definition available. + Details
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- Definition Line of Credit Facility, Available Amount Based On Qualified Accounts + References No definition available. + Details
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- Definition Line of Credit Facility, Available Inventory + References No definition available. + Details
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- Definition Line of Credit Facility, Available Inventory, Net Realizable Value + References No definition available. + Details
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- Definition Line of Credit Facility, Borrowing Capacity, Inventory Costs, Percent + References No definition available. + Details
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- Definition Line of Credit Facility, Borrowing Capacity, Inventory Value, Percent + References No definition available. + Details
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- Definition Line of Credit Facility, Borrowing Capacity, Value Of Accounts Receivable, Percent + References No definition available. + Details
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- Definition Line Of Credit Facility, Collateral Management Fee, Percent + References No definition available. + Details
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- Definition Line Of Credit Facility, Minimum Requirement + References No definition available. + Details
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- Definition Line Of Credit Facility, Monthly Facility Fee + References No definition available. + Details
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- Definition Line Of Credit Facility, Monthly Facility Fee, Percent + References No definition available. + Details
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- Definition Line Of Credit Facility, Overdraft Fee, Percent + References No definition available. + Details
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- Definition Amount of the fee that accompanies borrowing money under the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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