Note 6 - Income Taxes (Details) (USD $)	12 Months Ended				12 Months Ended
	Aug. 27, 2014	Aug. 28, 2013	Aug. 29, 2012	Aug. 25, 2010	Aug. 27, 2014 Domestic Tax Authority [Member]	Aug. 28, 2013 Domestic Tax Authority [Member]	Aug. 29, 2012 Domestic Tax Authority [Member]	Aug. 31, 2011 Domestic Tax Authority [Member]	Aug. 27, 2014 State and Local Jurisdiction [Member]	Aug. 28, 2013 State and Local Jurisdiction [Member]	Aug. 29, 2012 State and Local Jurisdiction [Member]	Aug. 31, 2011 State and Local Jurisdiction [Member]
Note 6 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Gross	$ 14,526,000	$ 12,523,000
Deferred Tax Assets, Operating Loss Carryforwards	8,600,000
Operating Loss Carryforwards	600,000	4,100,000	10,300,000
Income Tax Expense (Benefit)	(1,660,000)	1,775,000	1,654,000			0	0
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority									33,000
Income Tax Examination, Penalties and Interest Accrued	300,000
Number of States in which Entity Operates	30			5
Income Taxes Paid, Net					$ 0	$ 0	$ 0	$ 0	$ 500,000	$ 500,000	$ 500,000	$ 500,000