v3.25.2
Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (FY) (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Reconciliation of the Statutory Federal Income Tax Rate [Abstract]              
U.S. federal tax benefit at statutory rate         21.00% 21.00% 21.00%
State income taxes, net of federal benefit         10.00% 10.00% 410.00%
Stock-based compensation         190.00% 50.00% (40.00%)
Foreign tax rate differential         (10.00%) 0.00% 0.00%
Convertible interest         (20.00%) (20.00%) (70.00%)
Change in valuation allowance, net         (1750.00%) (770.00%) (950.00%)
Derivative liabilities         (2140.00%) (2020.00%) (300.00%)
General business credit - federal         30.00% 20.00% 10.00%
Other         (20.00%) (10.00%) 30.00%
Effective tax rate (20.00%) (14.00%) (18.00%) (14.00%) (16.10%) (6.40%) 11.90%