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Fair Value of Financial Instruments -Schedule of Rollforward (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023
Notes Warrants |  |  |  |  |  |
Balance at beginning of period |  |  |  | $ 217 | $ 532 | $ 1,575
Change in fair value |  |  |  | (157) | (270) | (1,021)
Derecognition of debt |  |  |  | (14) | (45) | (22)
Balance at end of period |  |  |  | 46 | 217 | 532
Total |  |  |  |  |  |
Balance at beginning of period | $ 369 | $ 411 | $ 597 | 1,411 | 1,886 | 4,892
Change in fair value | (220) | (42) | (186) | (73) | (430) | (2,984)
Derecognition of debt |  |  |  | (14) | (45) | (22)
Balance at end of period | 149 | 369 | 411 | 1,324 | 1,411 | 1,886
Notes Warrants |  |  |  |  |  |
Additional Warrants |  |  |  |  |  |
Balance at beginning of period | 338 | 362 | 334 | 722 | 830 | 2,052
Change in fair value | (203) | (24) | 28 | 20 | (108) | (1,222)
Balance at end of period | 135 | 338 | 362 | 742 | 722 | 830
Additional Warrants |  |  |  |  |  |
Additional Warrants |  |  |  |  |  |
Balance at beginning of period | 31 | 49 | 263 | 472 | 524 | 1,265
Change in fair value | (17) | (18) | (214) | 64 | (52) | (741)
Balance at end of period | $ 14 | $ 31 | $ 49 | $ 536 | $ 472 | $ 524

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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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