v3.26.1
Property and Equipment, Net (Q1) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Property and Equipment, Net        
Total property and equipment $ 2,884   $ 8,024 $ 19,055
Accumulated depreciation and amortization (2,058)   (3,917) (9,724)
Total, property plant and equipment net 826   4,107 9,331
Depreciation and amortization expense 129 $ 201 728 3,081
Office equipment        
Property and Equipment, Net        
Total property and equipment 55   107 119
Computer hardware and software.        
Property and Equipment, Net        
Total property and equipment 959   988 1,111
Furniture and fixtures        
Property and Equipment, Net        
Total property and equipment 306   419 419
Leasehold improvements        
Property and Equipment, Net        
Total property and equipment $ 1,564   $ 6,510 $ 7,386