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Fair Value of Financial Instruments - Rollforward (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Notes and Warrants Offering Derivative    
Measurement at beginning of period $ 532 $ 1,575
Change in fair value (270) (1,021)
Derecognition of debt (45) (22)
Measurement at end of period 217 532
Total    
Measurement at beginning of period 1,886 4,892
Change in fair value (430) (2,984)
Derecognition of debt (45) (22)
Measurement at end of period   1,886
Warrants    
Warrants    
Measurement at beginning of period 830 2,052
Change in fair value (108) (1,222)
Measurement at end of period   830
Additional Warrants    
Warrants    
Measurement at beginning of period 524 1,265
Change in fair value $ (52) (741)
Measurement at end of period   $ 524