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Revenue Recognition - Summary of Revenues Disaggregated by Primary Geographic Markets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Disaggregation of Revenue [Line Items]
Total Revenue	$ 29,845	$ 27,658	$ 58,923	$ 58,578
United States [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	17,181	17,866	33,874	37,655
Europe [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	7,826	6,314	16,425	13,764
Canada [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	1,491	1,452	3,037	2,880
Asia [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	1,964	831	3,049	1,841
Central and South America [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	995	914	1,756	1,868
Other [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 388	$ 281	$ 782	$ 570

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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