Note 7 - Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Feb. 25, 2017	Nov. 26, 2016
Intangibles subject to amortization, Gross Carrying Amount	$ 3,872	$ 3,872
Intangibles subject to amortization, Accumulated Amortization	(670)	(590)
Intangibles subject to amortization, Intangible Assets, Net	3,202	3,282
Trade names	2,490	2,490
Goodwill	11,900	11,588
Total goodwill and other intangible assets	18,262	17,950
Total goodwill and other intangible assets	17,592	17,360
Customer Relationships [Member]
Intangibles subject to amortization, Gross Carrying Amount	3,038	3,038
Intangibles subject to amortization, Accumulated Amortization	(422)	(371)
Intangibles subject to amortization, Intangible Assets, Net	2,616	2,667
Technology-Based Intangible Assets [Member]
Intangibles subject to amortization, Gross Carrying Amount	834	834
Intangibles subject to amortization, Accumulated Amortization	(248)	(219)
Intangibles subject to amortization, Intangible Assets, Net	$ 586	$ 615

Amount before accumulated amortization of intangible assets.

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

+ References

No definition available.

+ Details

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