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LEASES (Tables)
3 Months Ended
Aug. 31, 2021
Disclosure Text Block [Abstract]  
Schedule Of Cash Flow Supplemental Disclosures Related To Lease [Table Text Block]

Operating cash flows from operating leases     

 

$

80,697

Right-of-use assets obtained in exchange for

     

new operating lease liabilities

 

$

 -

Weighted average remaining lease term (in years)

 

 

5.02

Weighted average discount rate

   

6.50%

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

Less than 1 year

 

$

342,640

1 to 2 years

   

352,869

2 to 3 years

 

 

363,404

3 to 4 years

   

374,253

4 to 5 years

 

 

385,426

5 to 10 years

 

 

7,517

Total undiscounted lease payments

 

 

1,826,109

Less imputed interest

 

 

262,244

Total operating lease liabilities

 

$

1,563,865