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Fair Value Measurements and Financial Instruments - Reconciliation of Level 3 Fair Value Measurements of Financial Instruments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Warrant Liability | Liberty Warrants and Liberty Advisory Fee Warrant    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 2,017 $ 6,191
Issues 0  
Interest payments 0  
Remeasurement (gain)/loss 5,995 (4,174)
Ending balance 8,012 2,017
Warrant Liability | PIPE Warrant    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 97 311
Issues 0  
Interest payments 0  
Remeasurement (gain)/loss 374 (214)
Ending balance 471 97
Sponsor Earnout    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 419 1,353
Issues 0  
Interest payments 0  
Remeasurement (gain)/loss 1,082 (934)
Ending balance 1,501 419
Secured Convertible Notes    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 0 0
Issues 30,000  
Interest payments (1,525)  
Remeasurement (gain)/loss 50,595 0
Ending balance $ 79,070 $ 0