v3.26.1
Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Sep. 30, 2024
Schedule of Stock-based Compensation Expense [Line Items]        
Total stock-based compensation expense $ 449,372 $ 361,759 $ 662,448 $ 1,104,446
Research and development [Member]        
Schedule of Stock-based Compensation Expense [Line Items]        
Total stock-based compensation expense 95,704 117,929 212,185 249,346
General and administrative [Member]        
Schedule of Stock-based Compensation Expense [Line Items]        
Total stock-based compensation expense $ 353,668 $ 243,830 $ 450,263 $ 855,100