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

Segment Information - Schedule of reconciliation to the consolidated net income (loss) (Parenthetical) (Details)

v3.26.1
Segment Information - Schedule of reconciliation to the consolidated net income (loss) (Parenthetical) (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
Segment Information    
Share based compensation recognized in general and administrative expense $ 0.6 $ 0.8
Share based compensation recognized in research and development expense $ 1.0 0.8
Return Of Clinical Expenses   $ 25.0