Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Options Outstanding, Range of Exercise Prices and Other Details) (Details)

v3.8.0.1
Stockholders' Equity (Options Outstanding, Range of Exercise Prices and Other Details) (Details) - $ / shares
 3 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Stock options outstanding, Number of Shares Outstanding (shares) 825,782 741,327
Stock options outstanding, Weighted Average Remaining Contractual Life 7 years 9 months 5 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 17.85 $ 17.89
Stock options exercisable, Number of Shares Exercisable (shares) 372,376  
Stock options exercisable, Weighted Average Remaining Contractual Life 6 years 8 months 11 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 14.87  
Price Range $0 - $10.00    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Ranges, lower range limit (in dollars per share) 0  
Exercise Price Ranges, upper range limit (in dollars per share) $ 10  
Stock options outstanding, Number of Shares Outstanding (shares) 134,239  
Stock options outstanding, Weighted Average Remaining Contractual Life 5 years 1 month 7 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 8.39  
Stock options exercisable, Number of Shares Exercisable (shares) 110,267  
Stock options exercisable, Weighted Average Remaining Contractual Life 5 years 1 month 9 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 8.40  
Price Range $10.01 - $15.00    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Ranges, lower range limit (in dollars per share) 10.01  
Exercise Price Ranges, upper range limit (in dollars per share) $ 15  
Stock options outstanding, Number of Shares Outstanding (shares) 98,888  
Stock options outstanding, Weighted Average Remaining Contractual Life 5 years 11 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 11.94  
Stock options exercisable, Number of Shares Exercisable (shares) 97,888  
Stock options exercisable, Weighted Average Remaining Contractual Life 5 years 2 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 11.96  
Price Range $15.01 - $25.00    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Ranges, lower range limit (in dollars per share) 15.01  
Exercise Price Ranges, upper range limit (in dollars per share) $ 25  
Stock options outstanding, Number of Shares Outstanding (shares) 492,655  
Stock options outstanding, Weighted Average Remaining Contractual Life 8 years 10 months 28 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 20.06  
Stock options exercisable, Number of Shares Exercisable (shares) 139,221  
Stock options exercisable, Weighted Average Remaining Contractual Life 8 years 10 months 3 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 20.13  
Price Range $25.01 - 60.00    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Ranges, lower range limit (in dollars per share) 25.01  
Exercise Price Ranges, upper range limit (in dollars per share) $ 60  
Stock options outstanding, Number of Shares Outstanding (shares) 100,000  
Stock options outstanding, Weighted Average Remaining Contractual Life 8 years 4 months 22 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 25.50  
Stock options exercisable, Number of Shares Exercisable (shares) 25,000  
Stock options exercisable, Weighted Average Remaining Contractual Life 8 years 4 months 22 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 25.50