Note 9 - Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 01, 2015	Sep. 02, 2014	Jun. 02, 2015
Note 9 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 65,500		$ 62,800
Income Tax Expense (Benefit)	(1,023)	$ (2,634)
Immaterial Prior Period Correction		$ 3,200
Unrecognized Tax Benefits	3,900		3,900
Unrecognized Tax Benefit Reclassified Against Deferred Tax Assets	3,400		3,300
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	2,500		2,400
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	400		$ 400
State and Local Jurisdiction [Member]
Note 9 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	$ (1,000)