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Equity - Consultant Stock Plan (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense $ 46 $ 15 $ 90 $ 57
Consultant Stock Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Reserved but unissued shares at beginning of year     196  
Increases in the number of authorized shares     5  
Grants     (8)  
Reserved but unissued shares at end of year 193   193  
Compensation expense     $ 5 $ 14
Weighted Average Value Per Share     $ 0.66 $ 1.93