Business Acquisition - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 22, 2022	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Business Acquisition [Line Items]
Aggregate fair value consideration transferred in cash				$ 9,771
Junction Networks, Inc.
Business Acquisition [Line Items]
Aggregate fair value consideration transferred in cash	$ 9,800
Intangible assets	8,180	$ 8,200		8,200
Pro forma revenue		55,500	$ 50,300	109,100	$ 99,100
Acquisition-related transaction costs		$ 800		$ 800
Junction Networks, Inc. | Customer relationships
Business Acquisition [Line Items]
Intangible assets	$ 7,700
Estimated useful life	5 years