v3.25.4
Leases (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Leases [Abstract]        
Operating Lease, Weighted Average Remaining Lease Term 1 year 7 months 6 days 2 years 2 months 12 days    
Operating Lease, Weighted Average Discount Rate, Percent 11.00% 11.70%    
Operating Lease, Right-of-Use Asset $ 1.8 $ 1.6    
Operating Lease, Liability, Current 1.5 1.4    
Operating Lease, Liability, Noncurrent 1.0 1.2    
Operating Lease, Liability 2.5 2.6    
Operating Lease, Expense 0.8 0.8 $ 0.1  
Operating Lease, Expense Adjustment (0.9) (0.9) (1.5)  
Operating Lease, Payments $ (1.9) $ (1.9) (1.7)  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Other long-term assets Other long-term assets    
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accounts payable and accrued liabilities Accounts payable and accrued liabilities    
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Other long-term liabilities Other long-term liabilities    
Increase (Decrease) in Operating Lease Liability     $ (4.2) $ 6.6