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Investments (Tables)
 12 Months Ended
Jun. 30, 2016
Investments Debt And Equity Securities [Abstract]  
Schedule of Summary of short-term investments
    June 30, 2016     June 30, 2015  
    Fair Value     Cost Basis     Fair Value     Cost Basis  
                         
Held to Maturity Investments                                
Time deposits   $ 881     $ 920     $ 3,416     $ 3,393