For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Significant Accounting Policies - Concentration of Net Accounts Receivable Balance (Details) - Accounts Receivable - Customer Concentration Risk	Jan. 31, 2022	Jan. 31, 2021
Customer A
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%
Customer B
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%
Customer C
Concentration Risk [Line Items]
Concentration risk, percentage		10.00%