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Fair Value Measurements - Schedule of Changes in Fair Value (Details) - Warrant [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Nonrelated Party [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance $ 15,604
Note issuance during the period 17,559 15,323
Loss on extinguishment 22,183  
Change in estimated fair value 31,664 281
Conversion into common stock (87,010)  
Balance 15,604
Related Party [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance 2,133
Note issuance during the period 5,084 2,018
Loss on extinguishment 4,176  
Change in estimated fair value 3,752 115
Conversion into common stock (15,145)  
Balance 2,133
Public Placement Warrant Liability [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance  
Warrants assumed from the Merger 25,174  
Change in estimated fair value (24,907)  
Balance 267
Private Placement Warrant Liability [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance  
Warrants assumed from the Merger 13,134  
Change in estimated fair value (13,001)  
Balance 133
Share-Based Termination Liability [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance 6,349
Warrants assumed from the Merger   6,053
Change in estimated fair value 979 296
Conversion into common stock (7,328)  
Balance 6,349
Convertible Preferred Stock Warrant Liability [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance 203 330
Change in estimated fair value (6) (127)
Conversion into common stock (197)  
Balance $ 203