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Financial Instruments Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 20, 2023 | Mar. 21, 2023 | Mar. 13, 2023 | Sep. 08, 2022 | Apr. 04, 2022
--- | --- | --- | --- | --- | --- | --- | ---
Short-Term Debt [Line Items] |  |  |  |  |  |  |
Face value principal payable | $ 37,320 | $ 37,683 |  |  |  |  |
April 2022 Senior Convertible Note [Member] |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |
Face value principal payable | 17,602 | 17,602 |  |  |  |  | $ 27,500
September 2022 Senior Convertible Note [Member] |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |
Face value principal payable | 8,782 | 9,062 |  |  |  | $ 11,250 |
Lucid March 2023 Senior Convertible Note [Member] |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |
Face value principal payable | $ 10,936 | $ 11,019 | $ 11,100 | $ 11,100 | $ 11,100 |  |

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