Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Jan. 31, 2022 USD ($) Source	Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)
Significant Accounting Policies [Line Items]
Number of sources of revenue | Source	2
Allowances for product returns and customer sales incentives	$ 1,200,000	$ 1,100,000
Allowances for doubtful accounts	300,000	300,000
Impairment loss in relation to deferred commission costs capitalized	0
Impairment of goodwill	0	0	$ 0
Impairment of long-lived assets	0	0	700,000
Advertising payments to channel partners	300,000	300,000	400,000
Interest expense or penalties related to unrecognized tax benefits	0	0	0
Sales and marketing
Significant Accounting Policies [Line Items]
Advertising costs	$ 14,500,000	$ 12,200,000	$ 13,600,000
Website Development Costs
Significant Accounting Policies [Line Items]
Estimated useful life of property and equipment	2 years
Deferred Sales Commissions
Significant Accounting Policies [Line Items]
Estimated life (in years)	5 years
Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property and equipment	2 years
Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property and equipment	5 years