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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	9 Months Ended
	Oct. 31, 2023	Oct. 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	217
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	$ 7.33

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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

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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

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Number of non-vested options outstanding.

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Number of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options forfeited.

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Number of options vested.

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Weighted average grant-date fair value of options vested.

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