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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Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Equity (Details) - USD ($)	3 Months Ended
Equity (Details) - USD ($)	Aug. 31, 2025	Aug. 31, 2024	Jul. 16, 2024
Share Repurchase Program [Line Items]
Share repurchases		$ 552,000
Repurchase Program, July 2024
Share Repurchase Program [Line Items]
Share repurchases authorized (up to)			$ 15,000,000
Shares repurchased (in shares)	0	72,141
Share repurchases		$ 500,000
Remaining available repurchases	$ 13,300,000