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SHAREHOLDERS’ EQUITY (Tables) | 12 Months Ended
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May 31, 2023
Equity [Abstract] |
SCHEDULE OF STOCK BASED COMPENSATION EXPENSE | Stock-based compensation expense for the years ended May 31, 2023 and 2022 is as follows: SCHEDULE OF STOCK BASED COMPENSATION EXPENSE
|  | 2023 |  |  | 2022 |
|  | For the Year Ended May 31, |
|  | 2023 |  |  | 2022 |
Cost of sales |  | $ | 143,000 |  |  | $ | 159,000 |
Selling, general and administrative |  |  | 971,000 |  |  |  | 1,021,000 |
Research and development |  |  | 71,000 |  |  |  | 80,000 |
Total stock option expense |  | $ | 1,185,000 |  |  | $ | 1,260,000 |
SCHEDULE OF ACTIVITY TO AGGREGATE STOCK OPTIONS | Activity as to aggregate stock options outstanding is as follows: SCHEDULE OF ACTIVITY TO AGGREGATE STOCK OPTIONS
|  | Number of Stock Options |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
Options Outstanding at May 31, 2021 |  |  | 2,081,366 |  |  | $ | 3.59 |  |  | $ | 2,132,000 |
Options granted |  |  | 344,000 |  |  | $ | 4.43 |  |  |  |  |
Options exercised |  |  | (39,500 | ) |  | $ | 1.99 |  |  | $ | 90,000 |
Options canceled or expired |  |  | (64,250 | ) |  | $ | 4.41 |  |  |  |  |
Options Outstanding at May 31, 2022 |  |  | 2,321,616 |  |  | $ | 3.72 |  |  | $ | 1,838,000 |
Options granted |  |  | 243,000 |  |  | $ | 2.70 |  |  |  |  |
Options exercised |  |  | (46,500 | ) |  | $ | 1.73 |  |  | $ | 90,000 |
Options canceled or expired |  |  | (175,500 | ) |  | $ | 5.56 |  |  |  |  |
Options Outstanding at May 31, 2023 |  |  | 2,342,616 |  |  | $ | 3.52 |  |  | $ | 146,000 |
Options vested and exercisable at May 31, 2023 |  |  | 1,841,933 |  |  | $ | 3.38 |  |  | $ | 146,000 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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