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Equity - Equity Incentive Plan (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jun. 17, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Equity Incentive Plan [Member] |  |  |
Share-based compensation |  |  |
Outstanding options and restricted stock units |  | 3,202,000 | 3,076,000
Reserved but unissued shares under the Plans |  | 2,777,000 | 2,901,000
Number of shares authorized |  | 5,979,000 | 5,977,000
Increases in the number of authorized shares |  | 150,423 |
Fair value of options granted (in dollars) |  | $ 98 | $ 217
Weighted Average Value Per Share |  | $ 1.43 | $ 3.37
2021 Plan |  |  |
Share-based compensation |  |  |
Maximum number of shares that may be issued as a proportion of outstanding stock | 10.00% |  |
Maximum increase in number of shares available for issuance | 400,000 |  |
2011 Plan |  |  |
Share-based compensation |  |  |
Total amount of award carried forward to the new plan | $ 3,381 |  |

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