v3.26.1
Note 5 - Related Party Transactions (Details Textual)
£ in Thousands, $ in Thousands
12 Months Ended
May 31, 2026
USD ($)
May 31, 2026
GBP (£)
Oct. 13, 2025
Dec. 12, 2022
Strategic Partnership with Solana Life Group S. de R.L. [Member]        
Equity Method Investment, Ownership Percentage     25.00%  
Joint Venture With RIKI Ventures, LLC [Member]        
Equity Method Investment, Ownership Percentage       50.00%
Equity Method Investment, Termination Fee $ 77      
Joint Venture With RIKI Ventures, LLC [Member] | Employment Arrangement [Member] | Mr. Persofsky [Member]        
Compensation Expense, Excluding Cost of Good and Service Sold 130      
Joint Venture With RIKI Ventures, LLC [Member] | Employment Arrangement [Member] | Mr. Simon [Member]        
Compensation Expense, Excluding Cost of Good and Service Sold $ 127 £ 90