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Revenue Recognition - Summary of Revenues Disaggregated by Primary Product Type (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
Hardware [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	7,878	8,439	15,525	17,354
Supplies [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	18,678	17,140	36,888	36,258
Service and Other [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 3,289	$ 2,079	$ 6,510	$ 4,966

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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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