v3.25.3
Fair Value - Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value (Q2) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Apr. 14, 2025
Dec. 31, 2024
Oct. 01, 2024
Dec. 31, 2023
Assets:          
Investment in debt security - AFS $ 9,017   $ 11,187   $ 0
Liabilities:          
Earnout liability 4,370   14,752    
Warrant liability 22,996   34,023   0
Embedded derivative liability - Convertible Debentures 1,796   0   1,994
2024 WTI Warrant liability          
Liabilities:          
Warrant liability 12,450   17,230    
2025 WTI Warrant liability          
Liabilities:          
Warrant liability 3,400 $ 3,090      
Private placement warrants          
Liabilities:          
Warrant liability 7,146   16,793 $ 786  
Quoted Prices in Active Markets for Identical Assets (Level 1)          
Assets:          
Investment in debt security - AFS 0   0    
Liabilities:          
Earnout liability 0   0    
Embedded derivative liability - Convertible Debentures 0       0
Quoted Prices in Active Markets for Identical Assets (Level 1) | 2024 WTI Warrant liability          
Liabilities:          
Warrant liability 0   0    
Quoted Prices in Active Markets for Identical Assets (Level 1) | 2025 WTI Warrant liability          
Liabilities:          
Warrant liability 0        
Quoted Prices in Active Markets for Identical Assets (Level 1) | Private placement warrants          
Liabilities:          
Warrant liability 0   0    
Significant Other Observable Inputs (Level 2)          
Assets:          
Investment in debt security - AFS 0   0    
Liabilities:          
Earnout liability 0   0    
Embedded derivative liability - Convertible Debentures 0       0
Significant Other Observable Inputs (Level 2) | 2024 WTI Warrant liability          
Liabilities:          
Warrant liability 0   0    
Significant Other Observable Inputs (Level 2) | 2025 WTI Warrant liability          
Liabilities:          
Warrant liability 0        
Significant Other Observable Inputs (Level 2) | Private placement warrants          
Liabilities:          
Warrant liability 7,146   16,793    
Significant Unobservable Inputs (Level 3)          
Assets:          
Investment in debt security - AFS 9,017   11,187    
Liabilities:          
Earnout liability 4,370   14,752    
Embedded derivative liability - Convertible Debentures 1,796       $ 1,994
Significant Unobservable Inputs (Level 3) | 2024 WTI Warrant liability          
Liabilities:          
Warrant liability 12,450   17,230    
Significant Unobservable Inputs (Level 3) | 2025 WTI Warrant liability          
Liabilities:          
Warrant liability 3,400        
Significant Unobservable Inputs (Level 3) | Private placement warrants          
Liabilities:          
Warrant liability $ 0   $ 0