v3.26.1
Note 28 - Financial Risk Management and Financial Instruments - Reconciliation of Level 3 Assets and Liabilities (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($)
$ in Thousands
12 Months Ended
May 31, 2026
May 31, 2025
Warrant Liability [Member]    
Balance $ (1,092) $ (3,253)
Unrealized gain (loss) on fair value (3,495) 2,161
Instruments exercised 4,587  
Balance 0 (1,092)
Additions/(Repayments)   0
Impairments   0
Contingent Consideration [Member]    
Balance (15,000) (15,000)
Unrealized gain (loss) on fair value 15,000 0
Instruments exercised 0  
Balance 0 (15,000)
Additions/(Repayments)   0
Impairments   0
Equity Investments [Member]    
Balance 8,160 5,500
Unrealized gain (loss) on fair value   (5,500)
Balance   8,160
Additions/(Repayments)   8,160
Impairments   0
Long-Term Debt [Member] | APHA 24 [Member]    
Balance 0 (330)
Unrealized gain (loss) on fair value   0
Balance   0
Additions/(Repayments)   330
Impairments   0
Equity Investments [Member]    
Balance 8,160  
Unrealized gain (loss) on fair value (3,796)  
Instruments exercised 0  
Balance 4,364 8,160
Notes Receivable [Member]    
Balance $ 0 32,000
Unrealized gain (loss) on fair value   0
Balance   0
Additions/(Repayments)   (12,000)
Impairments   $ (20,000)