Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 24, 2013	May 26, 2013
Allowance for doubtful accounts (in Dollars)	$ 430	$ 583	[1]
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001	[1]
Common stock, shares authorized (in Shares)	50,000,000	50,000,000	[1]
Common stock, shares issued (in Shares)	26,650,586	26,402,247	[1]
Common stock, shares outstanding (in Shares)	26,650,586	26,402,247	[1]

[1] Derived from audited financial statements.