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Fair Value Measurements - Schedule of Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Assets, Fair Value Disclosure [Abstract]    
Assets measured at fair value   $ 17,212
Liabilities, Fair Value Disclosure [Abstract]    
Common stock warrant liabilities $ 86,302 67,622
Money market funds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents 11,903 6,495
U.S. treasury bonds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents   10,717
Level 1    
Assets, Fair Value Disclosure [Abstract]    
Assets measured at fair value   17,212
Liabilities, Fair Value Disclosure [Abstract]    
Common stock warrant liabilities 43,428 34,028
Level 1 | Money market funds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents 11,903 6,495
Level 1 | U.S. treasury bonds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents   10,717
Level 2    
Assets, Fair Value Disclosure [Abstract]    
Assets measured at fair value   0
Liabilities, Fair Value Disclosure [Abstract]    
Common stock warrant liabilities 42,874 33,594
Level 2 | Money market funds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents 0 0
Level 2 | U.S. treasury bonds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents   0
Level 3    
Assets, Fair Value Disclosure [Abstract]    
Assets measured at fair value   0
Liabilities, Fair Value Disclosure [Abstract]    
Common stock warrant liabilities 0 0
Level 3 | Money market funds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents $ 0 0
Level 3 | U.S. treasury bonds    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalents   $ 0