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STOCKHOLDERS' EQUITY (Details 1) - USD ($) | 12 Months Ended
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Jan. 31, 2019 | Jan. 31, 2018
Total stock-based compensation | $ 743,757 | $ 424,565
Total income tax benefit recognized for stock-based compensation arrangements | 267,752 | 153,203
Two Thousand Twelve Plan [Member] |  |
Total stock-based compensation | 0 | 206
Two Thousand Fifteen Plan [Member] |  |
Total stock-based compensation | 0 | 197,284
Two Thousand Twelve Seventeen Plan [Member] |  |
Total stock-based compensation | 721,111 | 225,162
Stock Appreciation Rights [Member] |  |
Total stock-based compensation | $ 22,646 | $ 1,913

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