v3.25.4
Stockholders' equity - Common Stock and Undesignated Preferred Stock (Details) - $ / shares
Dec. 31, 2025
Mar. 31, 2025
Stockholders' Equity Note [Abstract]    
Common stock, authorized (in shares) 150,000,000 150,000,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Undesignated preferred stock, authorized (in shares) 10,000,000  
Undesignated preferred stock, par value (in dollars per share) $ 0.001  
Undesignated preferred shares issued (in shares) 0  
Undesignated preferred shares outstanding (in shares) 0