v3.26.3
Financial Instruments and Fair Value Measurements (FY) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Loss on extinguishment of note payable   $ (3,354) $ 0 $ (3,354) $ 0 $ 0 $ (553)
Level 3              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Gains recognized related to the change in fair value of the derivative liability   0 $ 0 (707) $ (190) $ 2,070 $ 1,621
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Loan agreement, amount $ 60,000            
Conversion of outstanding principal $ 5,000            
Conversion price (in Dollars per share) $ 6.3182            
Loss on extinguishment of note payable   $ (100)   $ (100)      
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Minimum              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Adjustment rate 9.99%            
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Maximum              
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]              
Adjustment rate 19.99%