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Equity - Consultant Stock Plan (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Compensation expense | $ 118 | $ 425
Consultant Stock Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Reserved but unissued shares at beginning of year | 211 | 212
Increases in the number of authorized shares |  | 14
Stock grants | (15) | (15)
Reserved but unissued shares at end of year | 196 | 211
Compensation expense | $ 26 | $ 33
Weighted Average Value Per Share | $ 1.61 | $ 2.23
Maximum increase in available number of authorized shares as a percentage of new shares issued | 1.00% |

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