XML 150 R52.htm IDEA: XBRL DOCUMENT v3.25.1
Fair value measurements - Schedule of Fair Value Hierarchy of Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Aug. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total $ 94.3 $ 45.7  
Warrant liability 6.7 16.2 $ 13.4
Total 6.7 16.2  
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total 94.3 45.7  
Warrant liability 0.0 0.0  
Total 0.0 0.0  
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total 0.0 0.0  
Warrant liability 0.0 0.0  
Total 0.0 0.0  
Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total 0.0 0.0  
Warrant liability 6.7 16.2  
Total 6.7 16.2  
Money market accounts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Money market accounts 94.3 45.7  
Money market accounts | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Money market accounts 94.3 45.7  
Money market accounts | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Money market accounts 0.0 0.0  
Money market accounts | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Money market accounts $ 0.0 $ 0.0