Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 01, 2016	Mar. 03, 2015	Mar. 01, 2016	Mar. 03, 2015	Jun. 02, 2015
Reasonably Possible Amounts Will Change Within Next Twelve Months [Member]
Unrecognized Tax Benefits	$ 400		$ 400
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	400		400		$ 400
Deferred Tax Assets, Valuation Allowance	77,300		77,300		62,800
Income Tax Expense (Benefit)	(483)	$ (112)	(1,686)	$ (3,341)
Immaterial Prior Period Correction				$ 3,200
Unrecognized Tax Benefits	4,400		4,400		3,900
Unrecognized Tax Benefit Reclassified Against Deferred Tax Assets			3,500		3,300
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 2,200		$ 2,200		$ 2,400