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Stock-Based Compensation - Schedule of Stock Options Activity (Parenthetical) (Details) - shares | Jul. 31, 2021 | Jan. 31, 2021
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Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |
Exercisable | 548,593 | 561,110

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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