COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

May 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule Of Cash Flow Supplemental Disclosures Related To Lease [Table Text Block]

	2021		2020
Operating cash flows from operating leases	$	320,606	$	311,742
Right-of-use assets obtained in exchange for      new operating lease liabilities	$	79,159	$	-
Weighted average remaining lease term (in years)		5.27		6.27
Weighted average discount rate		6.50%		6.50%

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

2022	$	337,630
2023		350,311
2024		360,769
2025		371,539
2026		382,631
Thereafter		103,927
Total undiscounted lease payments		1,906,807
Less imputed interest		287,293
Total operating lease liabilities	$	1,619,514