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Recent Adopted and Issued Accounting Pronouncements (Policies) | 6 Months Ended
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Jul. 31, 2021
Recent Adopted and Issued Accounting Pronouncements [Abstract] |
Recently Adopted Accounting Guidance | Recently Adopted Accounting Guidance ​ There was no accounting guidance adopted during the three months ended July 31, 2021.

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- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. + References No definition available. + Details
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