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Common Stock To Outstanding Stock Options of 2014-2015 (Details) {Stockholder Equity}
 12 Months Ended
Jun. 26, 2016
$ / shares
shares
Shares  
Outstanding at beginning of year 921,198
Granted 120,800
Exercised (170,200)
Outstanding at end of year 871,798
Exercisable at end of year 406,378
Weighted-Average Exercise Price  
Outstanding at beginning of year 2.92
Granted 6.57
Exercised 2.5
Forfeited/Canceled/Expired 0
Weighted-average fair value of options granted during the year | $ / shares $ 3.16
Total intrinsic value of options exercised 425,944
Outstanding at end of year 3.51
Exercisable at end of year 2.63