Annual report [Section 13 and 15(d), not S-K Item 405]

Borrowings - CSI Convertible Notes (Details)

v3.26.1
Borrowings - CSI Convertible Notes (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
May 20, 2025
USD ($)
D
$ / shares
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
CSI Convertible Notes      
Borrowings      
Principal amount $ 15.0    
Fair value of the convertible note $ 9.7    
Issuance of common stock for conversions (in shares) | shares   4,569,822  
Net carrying value of the convertible notes payable   $ 5.9 $ 5.9
Net of discount   $ 4.1 4.1
Amortization of debt discounts and paid-in-kind interest     $ 1.2
First and Second Convertible Notes      
Borrowings      
Interest rate 5.00%    
Threshold number of consecutive trading days for determination of average volume weighted average price | D 30    
First and Second Convertible Notes | Minimum      
Borrowings      
Debt instrument conversion price (in $ per share) | $ / shares $ 1.4    
First and Second Convertible Notes | Maximum      
Borrowings      
Debt instrument conversion price (in $ per share) | $ / shares $ 2.5    
Initial Convertible Note      
Borrowings      
Interest rate 10.00%    
Threshold period of satisfaction of terms from closing date 3 months    
Debt instrument increased amount $ 0.5    
Debt instrument conversion price (in $ per share) | $ / shares $ 1.14    
Threshold number of business days available for payment of principal and accrued interest without penalty | D 3    
Additional amount of capital $ 15.0    
First Convertible Note      
Borrowings      
Moratorium Period 6 months    
Second Convertible Note      
Borrowings      
Moratorium Period 9 months