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Convertible Notes (Details) - USD ($)
 9 Months Ended
Mar. 27, 2016
Mar. 03, 2017
Convertible Notes Details    
Gross proceeds of convertible senior notes   $ 3,000,000
Interest rate of the notes   4.00%
Maturity date of the notes February 15, 2022  
Notes are convertible into shares of common stock at a conversion price per share   $ 2.00
Beneficial conversion feature $ 100,000  
Beneficial conversion feature and the issuance costs of the notes 200,000  
Debt discount balance 200,000  
Accreted interest expense $ 3,000