XML 70 R54.htm IDEA: XBRL DOCUMENT v3.25.2
Fair value measurements - Level 3 Fair Value Of Common Stock Warrant Liability (Details) - Warrant - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Unobservable Input Reconciliation [Roll Forward]    
Balance, beginning of period $ 6.7 $ 16.2
Change in fair value 2.9 (9.5)
Balance, end of period $ 9.6 $ 6.7