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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Income Taxes - Narrative (Details) - USD ($)	May 31, 2026	May 31, 2025	May 31, 2024
Income Taxes (Textual) [Abstract]
Goodwill impairment	$ 0	$ 0	$ 159,476,000
Accrued interest and penalties	0	0
Eximo Medical, Ltd.
Income Taxes (Textual) [Abstract]
Deferred tax liability, purchase accounting adjustment	5,200,000	$ 4,000,000.0
Federal
Income Taxes (Textual) [Abstract]
Net operating loss carryforwards after considering limitations of use	188,900,000
Tax Year 2030 and 2032 \| Federal
Income Taxes (Textual) [Abstract]
Federal and State net operating loss carryforwards	37,100,000
Indefinite \| Federal
Income Taxes (Textual) [Abstract]
Net operating loss carryforwards after considering limitations of use	151,800,000
Indefinite \| Israel
Income Taxes (Textual) [Abstract]
Federal and State net operating loss carryforwards	18,100,000
Tax Year 2029 to 2043 \| State
Income Taxes (Textual) [Abstract]
Federal and State net operating loss carryforwards	$ 42,200,000