Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 25, 2012	May 27, 2012
Allowance for doubtful accounts (in Dollars)	$ 594	$ 512
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	25,783,934	25,644,580
Common stock, shares outstanding	25,783,934	25,644,580