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QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details Narrative) - EPS - USD ($) | 3 Months Ended
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Oct. 31, 2021 | Jul. 31, 2021 | Apr. 30, 2021 | Jan. 31, 2021 | Oct. 31, 2020 | Jul. 31, 2020 | Apr. 30, 2020
Decreased cost of goods sold | $ 100,000.0 | $ 100,000 | $ 400,000 |  | $ 100,000 | $ 100,000.0 | $ 100,000.0
Increased cost of goods sold |  |  |  | $ 200,000 |  |  |
Increased income tax expense | 30,000.00 |  | 30,000.00 |  |  |  |
Decreased income tax expense |  | 300,000.0 | 6,631,000,000 | 100,000.0 | 50,000.00 | 50,000.00 | 50,000.00
Increased net income | $ 100,000 | $ 300,000 | $ 400,000 |  | $ 100,000.0 | $ 100,000.0 | $ 100,000
Decreased net income |  |  |  | $ 100,000 |  |  |
Basic EPS increased | $ 0.02 | $ 0.05 | $ 0.05 |  | $ 0.02 | $ 0.01 | $ 0.02
Diluted EPS increased | $ 0.01 | $ 0.05 | $ 0.04 |  | $ 0.01 | $ 0.01 | $ 0.02
Basic EPS Decreased |  |  |  | $ 0.02 |  |  |
Diluted EPS Decreases |  |  |  | $ 0.02 |  |  |

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