Note 10 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 02, 2019	May 27, 2018	Mar. 03, 2018
Net sales	$ 14,950	$ 10,393
Long-lived assets	22,868		$ 20,918
North America [Member]
Net sales	14,190	9,233
Long-lived assets	21,093		19,372
Asia [Member]
Net sales	252	132
Long-lived assets	1,775		1,546
Europe [Member]
Net sales	508	$ 1,028
Long-lived assets

Amount, including 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 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: 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

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