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Geographic Information - Additional Information (Details) - Long-Lived Assets - Geographic Concentration Risk	3 Months Ended	12 Months Ended
	Apr. 30, 2021	Jan. 31, 2021
United States
Concentration Risk [Line Items]
Concentration risk, percentage	86.00%	87.00%
Canada
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%	13.00%

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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.

+ References

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