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INCOME TAXES (Details) - Schedule of Deferred Tax Assets and Liabilities - USD ($) | Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2018 | Jan. 31, 2017
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Schedule of Deferred Tax Assets and Liabilities [Abstract] |  |  |  |
General business credit carryforward | $ 36,198,000 | $ 26,523,000 |  |
Accrued liabilities | 136,000 | 308,000 |  |
State net operating loss carryforward | 366,000 | 294,000 |  |
Other items | 230,000 | 647,000 |  |
Valuation allowance | (232,000) | (232,000) | $ (241,000) | $ (417,000)
Total | 36,698,000 | 27,540,000 |  |
Basis in pass through entities, including depreciation | (23,823,000) | (25,725,000) |  |
Other | (148,000) | (157,000) |  |
Total | (23,971,000) | (25,882,000) |  |
Net deferred tax asset | $ 12,727,000 | $ 1,658,000 |  |

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