Note 8 - Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Aug. 31, 2019	Nov. 24, 2018
Intangibles subject to amortization, Gross Carrying Amount	$ 4,384		$ 4,384
Intangibles subject to amortization, Accumulated Amortization	(1,663)		(1,285)
Intangibles subject to amortization, Intangible Assets, Net	2,721	$ 2,721	3,099
Trade names	9,338		9,338
Goodwill	14,117		16,043
Total goodwill and other intangible assets	26,176		28,480
Customer Relationships [Member]
Intangibles subject to amortization, Gross Carrying Amount	3,550		3,550
Intangibles subject to amortization, Accumulated Amortization	(1,088)		(829)
Intangibles subject to amortization, Intangible Assets, Net	2,462		2,721
Technology-Based Intangible Assets [Member]
Intangibles subject to amortization, Gross Carrying Amount	834		834
Intangibles subject to amortization, Accumulated Amortization	(575)		(456)
Intangibles subject to amortization, Intangible Assets, Net	$ 259		$ 378

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

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

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

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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.

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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.

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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.

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