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3. Stock-Based Compensation (Tables)
 9 Months Ended
Mar. 25, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Summary of Outstanding Stock Options
    Nine Months Ended 
    March 25, 2018   March 26, 2017 
           
  Outstanding at beginning of year   478,056    847,556 
             
  Granted   –    50,000 
  Exercised   –    (315,000)
  Forfeited/Canceled/Expired   –    (104,500)
             
  Outstanding at end of period   478,056    478,056 
             
  Exercisable at end of period   438,056    358,056 
Schedule of Summary of Restricted Stock Units
  Number of Restricted Stock Units
       
  Unvested at June 25, 2017   487,950 
  Granted   – 
  Vested   – 
  Forfeited   (34,730)
  Unvested at March 25, 2018   453,220