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Summary of Significant Accounting Policies Recent Accounting Pronouncements (Tables)
9 Months Ended
Oct. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Recent accounting pronouncements

The Company reviews recent accounting pronouncements on a quarterly basis and has excluded discussion of those not applicable to the Company and those that did not have, or are not expected to have, a material impact on the Company’s consolidated financial statements.