Note 10 - Geographic Regions - Financial Information by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 01, 2019	Aug. 26, 2018	Sep. 01, 2019	Aug. 26, 2018	Mar. 03, 2019
Net sales	$ 13,723	$ 11,211	$ 28,673	$ 21,604
Long-lived assets	22,780		22,780		$ 20,918
North America [Member]
Net sales	12,887	10,234	27,078	19,467
Long-lived assets	21,047		21,047		19,372
Asia [Member]
Net sales	157	223	408	355
Long-lived assets	1,733		1,733		1,546
Europe [Member]
Net sales	679	$ 754	1,187	$ 1,782
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

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