XML 60 R47.htm IDEA: XBRL DOCUMENT v3.22.2.2
REVENUE (Details Narrative) - USD ($)
12 Months Ended
May 31, 2022
May 31, 2021
May 31, 2024
May 31, 2023
Contract liabilities $ 2,484,000 $ 288,000    
Recognition of contract liabilities 189,000 $ 164,000    
Remaining performance obligations $ 212,000      
Scenario Forecast [Member]        
Remaining performance obligation revenue recognition     32.00% 68.00%