Debt - Schedule of Debt (Details) - USD ($) $ in Thousands |
Mar. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|
| Debt | |||
| Long term debt | $ 3,736 | $ 3,883 | |
| Long-term debt - current portion | (246) | (416) | |
| Long-term debt, net of current portion | $ 3,490 | $ 3,467 | |
| 3.75% Small Business Administration installment loan due May 2050 | |||
| Debt | |||
| Interest rate per annum | 3.75% | ||
| Director and officer (D&O) insurance policy promissory note 1 | |||
| Debt | |||
| Interest rate per annum | 6.85% | 6.00% | |
| Executive and officer (E&O) insurance policy promissory note | |||
| Debt | |||
| Interest rate per annum | 13.50% | 9.00% | |
| Notes Payable | 3.75% Small Business Administration installment loan due May 2050 | |||
| Debt | |||
| Long term debt | $ 115 | $ 117 | |
| Notes Payable | Director and officer (D&O) insurance policy promissory note 1 | |||
| Debt | |||
| Long term debt | 89 | 179 | |
| Notes Payable | Executive and officer (E&O) insurance policy promissory note | |||
| Debt | |||
| Long term debt | 135 | 215 | |
| Convertible Note Payable | |||
| Debt | |||
| Unamortized costs | 104 | ||
| Long term debt | $ 3,397 | $ 3,372 |
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of debt discount (premium). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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