BORROWING AND FINANCING ARRANGEMENTS (Details Narrative)	6 Months Ended
	Nov. 30, 2022 USD ($)
Original Loan and Security Agreement
Line of Credit, maximum borrowing	$ 4,000,000.0
Variable interest rate	the greater of (a) the prime rate plus an additional percentage of up to 1%, which additional percentage depends on the Company’s adjusted quick ratio, and (b) 4.75%
Borrowing under line of credit	$ 0
Balance available to borrow under the line of credit	6,782,000
Second Amendment To Loan And Security Agreement
Line of Credit, maximum borrowing	$ 10,000,000
Variable interest rate	the greater of (a) prime rate plus an additional percentage up to 1.0%, which additional percentage depends on the Company’s adjusted quick ratio, and (b) 3.25%, reduces the interest rate for purchase order advances under the line to the greater of (a) prime rate plus an additional percentage up to 1.5%, which additional percentage depends on the Company’s adjusted quick ratio, and (b) 3.75%
Revolving line maturity date	Jan. 13, 2023
Second Amendment To Loan And Security Agreement | Customer Purchase Order
Line of Credit, maximum borrowing	$ 3,000,000
First Amendment to Loan and Security Agreement
Revolving line maturity date	Jan. 13, 2022