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Note 6 - Income Taxes (Details) - Analysis of the Provision For Income Taxes For Continuing Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 27, 2014	Aug. 28, 2013	Aug. 29, 2012
Analysis of the Provision For Income Taxes For Continuing Operations [Abstract]
Current federal and state income tax expense	$ 371	$ 614	$ 1,631
Current foreign income tax expense	87	89	74
Deferred income tax expense (benefit)	(2,118)	1,072	(51)
Total income tax expense	$ (1,660)	$ 1,775	$ 1,654

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.