Equity Incentive Plan - Issuance of shares to consultants (Details) - shares shares in Millions	12 Months Ended
May 31, 2025	May 31, 2024
Consultants \| 2012 Equity Incentive Plan
Share-based Compensation
Stocks issued for severance payment	0.4	2.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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