Revenue Recognition - Summary of Revenues Disaggregated by Primary Product Type (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Jul. 28, 2018	Aug. 03, 2019	Jul. 28, 2018
Disaggregation of Revenue [Line Items]
Total Revenue	$ 33,468	$ 33,807	$ 69,649	$ 65,294
Hardware [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	12,437	12,914	25,355	24,891
Supplies [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	18,080	17,883	37,808	34,584
Service and Other [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 2,951	$ 3,010	$ 6,486	$ 5,819