Revenue Recognition - Summary of Revenues Disaggregated by Primary Product Type (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 02, 2019	Oct. 27, 2018	Nov. 02, 2019	Oct. 27, 2018
Disaggregation of Revenue [Line Items]
Total Revenue	$ 33,318	$ 34,196	$ 102,967	$ 99,490
Hardware [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	12,160	13,096	37,514	37,989
Supplies [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	17,655	18,107	55,463	52,690
Service and Other [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 3,503	$ 2,993	$ 9,990	$ 8,811

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration