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Debt (Tables) | 9 Months Ended
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Sep. 30, 2021
Debt Disclosure [Abstract] |
Schedule of Carrying Value of Debt | The Company’s carrying value of debt at September 30, 2021 and December 31, 2020 consisted of the following (in thousands):
| September 30, 2021 |  | December 31, 2020
Unsecured promissory note | $ | — |  |  | $ | 1,080 |
Secured term note, net of debt issuance costs | 6,598 |  |  | — |
Secured term note payable - related party | — |  |  | 1,077 |
Secured promissory note - related party | 3,498 |  |  | 5,000 |
Insurance and other notes payable | 1,554 |  |  | 714 |
Less: amounts due within one year | (3,959) |  |  | (4,463) |
Total long-term debt | $ | 7,691 |  |  | $ | 3,408 |
Schedule Of Interest Expense On Debt | During the nine months ended September 30, 2021 and 2020, the Company recorded interest expense on debt as follows (in thousands):
| September 30, 2021 |  | September 30, 2020
Unsecured promissory note | $ | — |  |  | $ | 4 |
Secured term note | $ | 176 |  |  | $ | — |
Secured term note payable - related party | 22 |  |  | 57 |
Secured promissory note - related party | 409 |  |  | 224 |
Insurance and other notes payable | 41 |  |  | 24 |
Total interest expense on debt | $ | 648 |  |  | $ | 309 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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