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LEASES (Tables)
9 Months Ended
Feb. 28, 2021
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 nine months ended February 28, 2021:

Operating cash flows from operating leases     

 

$

239,909

 

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

--

Weighted average remaining lease term (in years)

 

 

5.52

 

Weighted average discount rate

6.5

%

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

2021

 

$

54,583

2022

235,569

2023

 

 

262,698

2024

291,210

2025

 

 

321,971

Thereafter

459,072

Total

 

$

1,625,103