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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)
12 Months Ended
May 31, 2022
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

 

 

May 31,

2022

2021

Accounts payable

 

$

736,000

 

$

431,000

Accrued expenses

 

236,000

 

152,000

Total

 

$

972,000

 

$

583,000