v3.26.1
Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
May 31, 2026
May 31, 2025
Income Tax Disclosure [Abstract]    
Income tax expense (benefit) $ 0 $ 0
Deferred tax assets associated with discontinued operations 63,142,000  
Deferred tax liabilities associated with discontinued operations 1,528,000  
Valuation allowance associated with discontinued operations 61,614,000  
Tax net operating losses 386,571,000 172,000,000
Operating loss carryforwards, not subject to expiration 386,571,000  
Increase in valuation allowance 13,293,000  
Unrecognized tax benefits $ 1,754,000 $ 0