Note 9 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 06, 2017	May 31, 2016	Jun. 02, 2015
Federal	$ (1,912)	$ (1,138)	$ 1,714
State	154	289	(48)
Foreign	42	118	118
	(1,716)	(731)	1,784
Federal		(1,449)	(3,254)
State			(441)
		(1,449)	(3,695)
Total benefit for income taxes	$ (1,716)	$ (2,180)	$ (1,911)