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Revenue Recognition - Summary of Revenues Disaggregated by Primary Geographic Markets (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
United States [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	21,831	21,542	64,471	60,752
Europe [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	7,059	7,573	22,408	23,292
Canada [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	1,441	1,860	4,346	5,836
Asia [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	1,396	1,560	7,063	4,653
Central and South America [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	1,019	921	3,232	3,078
Other [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 572	$ 740	$ 1,447	$ 1,879

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+ References

No definition available.

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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.

+ References

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

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