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BORROWING AND FINANCING ARRANGEMENTS (Details Narrative) - USD ($) | 9 Months Ended
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Feb. 28, 2022 | Feb. 28, 2021
Borrowing under line of credit | $ 1,400,000 | $ 1,400,000
Second Amendment To Loan And Security Agreement |  |
Line of Credit, maximum borrowing | $ 10,000,000 |
Variable interest rate | 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 |
Original Loan and Security Agreement |  |
Line of Credit, maximum borrowing | $ 4,000,000.0 |
Variable interest rate | 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 | $ 2,522,000 |
First Amendment to Loan and Security Agreement |  |
Revolving line maturity date | Jan. 13, 2022 |

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- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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