XML 72 R58.htm IDEA: XBRL DOCUMENT v3.23.3
Collaboration and other arrangements (Details) - Master Clinical Trial Collaboration and Supply Agreement - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Mar. 31, 2023
Significant agreements          
Offset to research and development expense $ 1,000,000 $ 0 $ 1,700,000 $ 0  
Payments received     900,000 $ 0  
Receivables $ 1,700,000   $ 1,700,000   $ 900,000