Note 1 - Summary of Significant Accounting Policies - Antidilutive Shares Excluded from Computation of Diluted Loss Per Share (Details) - shares shares in Thousands	12 Months Ended
	Jun. 06, 2017	May 31, 2016	Jun. 02, 2015
Antidulitive securities excluded from computation of earnings per share (in shares)	2,882	3,233	4,409
Employee Stock Option [Member]
Antidulitive securities excluded from computation of earnings per share (in shares)	2,242	2,407	3,057
Restricted Stock [Member]
Antidulitive securities excluded from computation of earnings per share (in shares)	640	826	1,352