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Equity - Inducement Options (Details) - Non-Qualified Stock Option - Chief Technology Officer $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) installment $ / shares shares
Share-based compensation |  |  |
Grants of stock options | shares |  |  | 150
Exercise price (in dollars per share) | $ / shares |  |  | $ 0.91
Number of installments | installment |  |  | 3
Vesting percentage |  |  | 0.33%
Fair value of options granted (in dollars) |  |  | $ 112
Share based compensation cost related to vesting awards | $ 9 | $ 0 |

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