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INCOME TAXES (Details Narrative) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
May 30, 2025 | May 31, 2024 | May 31, 2023 | May 31, 2022
Unrecognized tax benefit | $ 2,461,000 | $ 2,484,000 | $ 2,276,000 | $ 2,018,000
Valuation allowance |  | (21,900,000) |  |
Federal |  |  |  |
Net operating loss carryforward | (28,000,000.0) | (34,600,000) |  |
Research and development tax credit carryforwards | 3,200,000 | 3,300,000 |  |
Alternative minimum tax credit carryforwards | 14,400,000 |  |  |
State |  |  |  |
Net operating loss carryforward | (29,700,000) | (29,800,000) |  |
Research and development tax credit carryforwards | 7,100,000 | $ 7,100,000 |  |
Alternative minimum tax credit carryforwards | $ 34,100 |  |  |

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