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