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2011 EQUITY INCENTIVE PLAN: (Narrative) (Details) - USD ($)
12 Months Ended
Jul. 01, 2015
Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Number of Stock Options and Restricted Stock Awards authorized under 2011 Equity Incentive Plan   750,000
Incentive stock options, granted to shareholder holdings (percent)   10.00%
Incentive stock options, exercise price as compared to fair market value (percent) to majority shareholder   110.00%
Expiration period from grant date 10 years 10 years
FMV of shares subject to options granted to participants and designated as incentive stock options, maximum amount   $ 100,000