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Stock option plans and information about fixed-price stock options (Details) (USD $)
 12 Months Ended
Jun. 24, 2012
Jun. 26, 2011
Shares    
Outstanding at beginning of year 604,036 565,510
Granted 169,032 63,526
Exercised (10,000) 0
Forfeited/Canceled/Expired (276,562) (25,000)
Outstanding at end of year 486,506 604,036
Exercisable at end of year 319,528 407,921
Weighted Average Exercise Price    
Outstandings at beginning of year $ 2.30 $ 2.37
Granted: $ 4.22 $ 1.84
Exercised: 2.45 0.00
Forfeited/Canceled/Expired: $ 2.39 $ 2.85
Outstandings at end of year $ 2.80 $ 2.30
Exercisable at end of year: $ 2.23 $ 2.32
Weighted-average fair value of options granted during the year $ 1.90 $ 1.87
Total intrinsic value of options exercised 38,320 0