v3.25.3
Business Segment Data - Reconciliation of Segment Information (FY) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Oct. 01, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]                  
Revenues: $ 476   $ 456 $ 223   $ 700 $ 447 $ 764 $ 1,117
Interest Expense: 2,937   1,330 99   4,699 590 1,633 1,367
Interest Income: 290   198 56   514 142 333 143
Depreciation and Amortization Expense: 5,634   5,455 64   11,182 69 146 8
Net Loss: (141,275) $ (253,674) (70,093) (11,314) $ (7,526) (394,949) (18,840) (28,198) (30,984)
Capital Expenditures: 15   266 66   932 706 736 645
Other                  
Segment Reporting Information [Line Items]                  
Revenues: 249   250 250   499 501 750 1,198
Interest Expense: 2,747   1,240 44   4,382 99 1,069 328
Interest Income: 290   198 56   510 142 326 129
Depreciation and Amortization Expense: 5   0 0   5 0 0 0
Net Loss: (18,767)   (61,335) (7,005)   (28,132) (8,403) (11,546) (20,367)
Capital Expenditures: 0   0 0   0 0 0 0
Eliminations                  
Segment Reporting Information [Line Items]                  
Revenues: (27)   (27) (27)   (54) (54) (81) (81)
Technology Segment                  
Segment Reporting Information [Line Items]                  
Revenues: 254   233 0   255 0 95 0
Interest Expense: 190   90 55   317 491 564 1,039
Interest Income: 0   0 0   4 0 7 14
Technology Segment | Operating Segments                  
Segment Reporting Information [Line Items]                  
Revenues: 254   233 0   255 0 95 0
Interest Expense: 190   90 55   317 491 564 1,039
Interest Income: 0   0 0   4 0 7 14
Depreciation and Amortization Expense: 5,629   5,455 64   11,177 69 146 8
Net Loss: (122,508)   (8,758) (4,309)   (366,817) (10,437) (16,652) (10,617)
Capital Expenditures: $ 15   $ 266 $ 66   $ 932 $ 706 $ 736 $ 645