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Stockholders' Equity (Details) - Stock options [Member] - USD ($)
 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Outstanding and expected to vest 777,630 673,034
Number of Shares, Granted 106,795 311,100
Number of Shares, Forfeited (242,221) (206,504)
Number of Shares, Outstanding and expected to vest 642,204 777,630
Number of Shares, Options exercisable 349,953  
Weighted Average Exercise Price Per Share, Outstanding and expected to vest $ 7.44 $ 5.56
Weighted Average Exercise Price Per Share, Granted 4.13 12.63
Weighted Average Exercise Price Per Share, Forfeited 8.70 9.12
Weighted Average Exercise Price Per Share, Outstanding and expected to vest 6.41 $ 7.44
Weighted Average Exercise Price Per Share, Options exercisable $ 5.69  
Weighted Average Remaining Contractual Term (Years), Outstanding and expected to vest 8 years 7 months 6 days 9 years 2 months 12 days
Weighted Average Remaining Contractual Term (Years), Granted 9 years 4 months 24 days 9 years 7 months 6 days
Weighted Average Remaining Contractual Term (Years), Forfeited 0 years  
Weighted Average Remaining Contractual Term (Years), Outstanding and expected to vest 7 years 8 months 12 days 8 years 7 months 6 days
Weighted Average Remaining Contractual Term (Years), Options exercisable 7 years  
Aggregate Intrinsic Value, Outstanding and expected to vest $ 2,787,000 $ 2,988,000
Aggregate Intrinsic Value, Granted
Aggregate Intrinsic Value, Forfeited
Aggregate Intrinsic Value, Outstanding and expected to vest 21,500 $ 2,787,000
Aggregate Intrinsic Value, Options exercisable $ 1,300