v3.26.3
Stockholders' Equity (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Mar. 15, 2026
USD ($)
$ / shares
shares
May 19, 2025
USD ($)
Jun. 30, 2026
USD ($)
Vote
shares
Dec. 31, 2025
SFr / shares
shares
Jun. 30, 2026
class
SFr / shares
Jul. 09, 2019
Stockholders' equity            
Treasury shares purchased        
Voting rights percentage           5.35%
Number of class of stock outstanding | class         2  
Number of votes per share | Vote     1      
Share capital, percentage     10.00%      
Aggregate offering price | $   $ 100,000        
Available for future sales | $     $ 28,900      
Exercise price | $ / shares $ 0.0001          
Class E Warrant [Member]            
Stockholders' equity            
Exercise price | $ / shares $ 5.5          
Securities Purchase Agreement [Member]            
Stockholders' equity            
Common stock issued (in shares) 22,913,630          
Pre-funded warrants 7,500,000          
Issuance costs | $     $ 7,775,329      
Securities Purchase Agreement [Member] | Warrant [Member]            
Stockholders' equity            
Aggregate gross proceeds | $ $ 124,999,269          
Securities Purchase Agreement [Member] | Class E Warrant [Member]            
Stockholders' equity            
Common stock issued (in shares)     7,500,000      
Class A Common Stock [Member]            
Stockholders' equity            
Common stock, par value (in dollar per share) | SFr / shares       SFr 0.01 SFr 0.01  
Class B Common Stock [Member]            
Stockholders' equity            
Shares purchased through share buyback program     8,347      
Common stock, par value (in dollar per share) | SFr / shares       SFr 0.1 SFr 0.1  
Share capital, percentage     10.00%      
Class E Ordinary Share [Member] | Securities Purchase Agreement [Member]            
Stockholders' equity            
Pre-funded warrants 60,827,260