v3.25.2
Debt - 2021 Unsecured Senior Subordinated Convertible Promissory Notes (FY) (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Apr. 30, 2023
Apr. 30, 2021
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Unsecured Senior Subordinated Convertible Promissory Notes [Abstract]              
Gain (loss) on the conversion of convertible debt     $ (11,708) $ 0 $ 0    
Convertible Promissory Notes | Series B-1 Redeemable Convertible Preferred Stock              
Unsecured Senior Subordinated Convertible Promissory Notes [Abstract]              
Gain (loss) on the conversion of convertible debt $ 0            
2021 Unsecured Senior Subordinated Convertible Promissory Notes | Senior Subordinated Notes              
Unsecured Senior Subordinated Convertible Promissory Notes [Abstract]              
Principal amount           $ 4,000 $ 4,000
Interest rate           7.00% 7.00%
2021 Unsecured Senior Subordinated Convertible Promissory Notes | Convertible Promissory Notes              
Unsecured Senior Subordinated Convertible Promissory Notes [Abstract]              
Principal amount   $ 4,000          
Interest rate   7.00%          
Debt instrument payment term   annually          
2021 Unsecured Senior Subordinated Convertible Promissory Notes | Convertible Promissory Notes | Series B-1 Redeemable Convertible Preferred Stock              
Unsecured Senior Subordinated Convertible Promissory Notes [Abstract]              
Convertible notes, shares converted (in shares) 12,484,540