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LEASES (Tables)
6 Months Ended
Nov. 30, 2020
Disclosure Text Block [Abstract]  
Schedule Of Cash Flow Supplemental Disclosures Related To Lease [Table Text Block]

Supplemental cash flow information related to leases for

       

the six months ended November 30, 2020: 

       
         

Operating cash flows from operating leases     

 

$

159,212

 

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

       

Weighted average remaining lease term (in years)

 

 

5.77

 

Weighted average discount rate

   

6.5

%

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

2021

 

$

108,290

2022

   

235,569

2023

 

 

262,698

2024

   

291,210

2025

 

 

321,971

Thereafter

   

459,072

Total

 

$

1,678,810