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STOCK-BASED COMPENSATION - Summary of Change in Number of Non-Vested Options to Purchase Shares of Common Stock (Details) - $ / shares shares in Thousands | 6 Months Ended |
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Jul. 31, 2023 | Jul. 31, 2022
STOCK-BASED COMPENSATION |  |
Shares, Non-vested, Beginning balance | 194 |
Shares, Granted | 10 |
Shares, Vested | (75) |
Shares, Forfeitures | (1) |
Shares, Non-vested, Ending balance | 128 |
Shares, Non-vested | 128 | 239
Weighted Average Grant Date Fair Value Per Share, Non-vested, Beginning balance | $ 7.27 |
Weighted Average Grant Date Fair Value Per Share, Granted | 8.12 |
Weighted Average Grant Date Fair Value Per Share, Vested | 6.62 |
Weighted Average Grant Date Fair Value Per Share, Forfeitures | 5.68 |
Weighted Average Grant Date Fair Value Per Share, Non-vested, Ending balance | 7.72 |
Weighted Average Grant Date Fair Value Per Share, Non-vested | $ 7.72 | $ 7.45

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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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