ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)	12 Months Ended
	May 31, 2022	May 31, 2021	Oct. 31, 2021	May 31, 2020
Cash and cash equivalents	$ 31,500,000
Allowance for doubtful accounts	0	$ 0
Provision for inventory reserves	1,031,000	$ 176,000		$ 1,669,000
Shelf registration			$ 75,000,000
Rasied capital	$ 25,000,000
Accounts Receivable | Customer One
Concentration risk	68.00%	51.00%
Accounts Receivable | Customer Two
Concentration risk	18.00%	24.00%
Accounts Receivable | Customer Three
Concentration risk	11.00%	19.00%
Net Sales | Customer One
Concentration risk	82.00%	24.00%
Net Sales | Customer Two
Concentration risk		23.00%
Net Sales | Customer Three
Concentration risk		20.00%
Net Sales | Customer Four
Concentration risk		10.00%
Europe | Accounts Receivable
Concentration risk	0.00%	0.00%
North America | Accounts Receivable
Concentration risk	20.00%	2.00%
Asia | Accounts Receivable
Concentration risk	80.00%	98.00%