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Audited Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
May 28, 2016
May 30, 2015
Accounts receivable, allowance $ 364 $ 283
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Preferred Stock, issued 0 0
Common Stock [Member]    
Common stock, par value (in dollars per share) $ 0.05 $ 0.05
Common stock, issued 10,703 11,530
Common stock, outstanding 10,703 11,530
Common Class B [Member]    
Common stock, par value (in dollars per share) $ 0.05 $ 0.05
Common stock, issued 2,141 2,141
Common stock, outstanding 2,141 2,141