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Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Debt Instrument [Line Items] |  |
Interest expense | $ 178 | $ 251
Unsecured promissory note |  |
Debt Instrument [Line Items] |  |
Interest expense | 0 | 0
Secured term note payable - related party |  |
Debt Instrument [Line Items] |  |
Interest expense | 10 | 25
Secured promissory note - related party |  |
Debt Instrument [Line Items] |  |
Interest expense | 154 | 215
Insurance and other notes payable |  |
Debt Instrument [Line Items] |  |
Interest expense | $ 14 | $ 11

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: 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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- Details
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- Details
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- Details
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