v3.26.3
Term Loan (FY) (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 06, 2026
USD ($)
May 02, 2024
May 31, 2024
USD ($)
Apr. 30, 2022
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]                    
Floating rate spread in effect (greater than) (percent)       0.50%            
Debt instrument, interest rate, stated percentage       4.50%            
Interest expense         $ 475 $ 1,301 $ 1,843 $ 2,564 $ 5,274 $ 3,311
Proceeds from drawdown of term loans                 0 30,000
Loss on extinguishment of debt         (3,354) $ 0 (3,354) $ 0 0 (553)
Payment of debt issuance costs                 0 673
Level 3                    
Debt Instrument [Line Items]                    
Fair value of derivative liability at issuance of term loan     $ 4,500           0 4,450
Term loan                    
Debt Instrument [Line Items]                    
Interest expense                   1,300
Proceeds from drawdown of term loans     29,500              
Cash used to repay debt     10,500              
Loss on extinguishment of debt                   $ 600
Term Loans                    
Debt Instrument [Line Items]                    
Payment of debt issuance costs     700              
Facility fee     400              
Payments for other fees and expenses     200              
Debt instrument, final fee amount     100              
Debt discount     5,100              
Long-term debt, fair value                 $ 29,500  
Debt instrument, final fee amount     $ 100              
Term Loans | Term loan                    
Debt Instrument [Line Items]                    
Term loan available       $ 40,000            
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature                    
Debt Instrument [Line Items]                    
Floating rate spread in effect (greater than) (percent)     1.80%              
Proceeds from drawdown of term loans     $ 30,000              
Loss on extinguishment of debt         (100)   (100)      
Loan agreement, amount     60,000              
Amount of net cash proceeds from certain financing activities     60,000              
Minimum amount of offering of common stock     $ 50,000              
Debt instrument variable rate floor (percent)     10.30%              
Final fee, percentage     6.95%              
Conversion of outstanding principal     $ 5,000              
Additional interest rate   0.05 0.05              
Allowable amount to invest in future offerings     $ 5,000              
Repayments of notes payable $ 31,400                  
Loss on extinguishment of debt         $ 3,400   $ 3,400      
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Period One                    
Debt Instrument [Line Items]                    
Proceeds from drawdown of term loans     $ 25,000              
Period for interest only payments (in months)     24 months              
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Period Two                    
Debt Instrument [Line Items]                    
Proceeds from drawdown of term loans     $ 5,000              
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Period Three                    
Debt Instrument [Line Items]                    
Capacity available to draw on the term loans     10,000              
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Period Four                    
Debt Instrument [Line Items]                    
Capacity available to draw on the term loans     $ 20,000              
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Minimum                    
Debt Instrument [Line Items]                    
Adjustment rate (percent)     9.99%              
Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature | Maximum                    
Debt Instrument [Line Items]                    
Adjustment rate (percent)     19.99%