Note 4 - Goodwill and Other Intangible Assets (Details) - Goodwill and Other Intangible Assets (USD $) In Thousands, unless otherwise specified	3 Months Ended
Feb. 28, 2015	Nov. 29, 2014
Intangibles subject to amortization
Intangibles subject to amortization, Gross Carrying Amount	$ 3,872
Intangibles subject to amortization, Accumulated Amortization	(42)
Intangibles subject to amortization, Intangible Assets, Net	3,830us-gaap_FiniteLivedIntangibleAssetsNet
Intangibles not subject to amortization:
Trade names	2,490us-gaap_IndefiniteLivedTradeNames
Goodwill	12,021us-gaap_GoodwillGross
Total goodwill and other intangible assets	18,383
Total goodwill and other intangible assets	(42)
Total goodwill and other intangible assets	18,341	1,730
Customer Relationships [Member]
Intangibles subject to amortization
Intangibles subject to amortization, Gross Carrying Amount	3,038
Intangibles subject to amortization, Accumulated Amortization	(29)
Intangibles subject to amortization, Intangible Assets, Net	3,009
Technology-Based Intangible Assets [Member]
Intangibles subject to amortization
Intangibles subject to amortization, Gross Carrying Amount	834
Intangibles subject to amortization, Accumulated Amortization	(13)
Intangibles subject to amortization, Intangible Assets, Net	$ 821

Accumulated amount of amortization of intangible assets.

No definition available.

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- Definition

Amount before accumulated amortization of intangible assets.

+ References

No definition available.

+ Details

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- Details

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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=26713463&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=26713463&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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