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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 | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | 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 |  |  |  |  | 33.00%
Fair value of options granted (in dollars) |  |  |  |  | $ 112
Share based compensation cost related to vesting awards | $ 9 | $ 10 | $ 18 | $ 19 |
Total unrecognized compensation | $ 13 |  | $ 13 |  |

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