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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
May 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule Of Cash Flow Supplemental Disclosures Related To Lease [Table Text Block]

Operating cash flows from operating leases     

$

338,206

Right-of-use assets obtained in exchange for
     new operating lease liabilities

$

 -

Weighted average remaining lease term (in years)

 

4.28

Weighted average discount rate

6.50%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Less than 1 year

 

$

351,000

1 to 2 years

   

362,000

2 to 3 years

 

 

373,000

3 to 4 years

   

384,000

4 to 5 years

 

 

104,000

Total undiscounted lease payments

 

 

1,574,000

Less imputed interest

 

 

194,000

Total operating lease liabilities

 

$

1,380,000