Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 01, 2015	Dec. 02, 2014	Dec. 01, 2015	Dec. 02, 2014	Jun. 02, 2015
Reasonably Possible Amounts Will Change Within Next Twelve Months [Member]
Unrecognized Tax Benefits	$ 400		$ 400
Deferred Tax Assets, Valuation Allowance	73,000		73,000		$ 62,800
Income Tax Expense (Benefit)	(180)	$ (595)	(1,203)	$ (3,229)
Immaterial Prior Period Correction				$ 3,200
Unrecognized Tax Benefits	4,800		4,800		3,900
Unrecognized Tax Benefit Reclassified Against Deferred Tax Assets			4,000		3,300
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	3,100		3,100		2,400
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 500		$ 500		$ 400