Quarterly report pursuant to Section 13 or 15(d)

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

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Stockholders' Equity (Options Outstanding, Range of Exercise Prices and Other Details) (Details) - $ / shares
 6 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Stock options outstanding, Number of Shares Outstanding (shares) 1,229,062 956,998
Stock options outstanding, Weighted Average Remaining Contractual Life 6 years 10 months 17 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 15.58 $ 17.08
Stock options exercisable, Number of Shares Exercisable (shares) 747,227  
Stock options exercisable, Weighted Average Remaining Contractual Life 5 years 5 months 22 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 17.07  
Price Range $0 - $10.00    
Share-based Payment Arrangement, Option, 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) 154,240  
Stock options outstanding, Weighted Average Remaining Contractual Life 3 years 9 months 9 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 8.37  
Stock options exercisable, Number of Shares Exercisable (shares) 134,239  
Stock options exercisable, Weighted Average Remaining Contractual Life 2 years 10 months 6 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 8.39  
Price Range $10.01 - $15.00    
Share-based Payment Arrangement, Option, 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) 501,834  
Stock options outstanding, Weighted Average Remaining Contractual Life 8 years 1 month 1 day  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 11.71  
Stock options exercisable, Number of Shares Exercisable (shares) 144,835  
Stock options exercisable, Weighted Average Remaining Contractual Life 4 years 7 months 10 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 12.39  
Price Range $15.01 - $25.00    
Share-based Payment Arrangement, Option, 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) 472,988  
Stock options outstanding, Weighted Average Remaining Contractual Life 6 years 9 months 7 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 19.95  
Stock options exercisable, Number of Shares Exercisable (shares) 393,153  
Stock options exercisable, Weighted Average Remaining Contractual Life 6 years 6 months 25 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 20.14  
Price Range $25.01 - 60.00    
Share-based Payment Arrangement, Option, 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 6 years 1 month 22 days  
Stock options outstanding, Weighted Average Exercise Price (in dollars per share) $ 25.50  
Stock options exercisable, Number of Shares Exercisable (shares) 75,000  
Stock options exercisable, Weighted Average Remaining Contractual Life 6 years 1 month 22 days  
Stock options exercisable, Weighted Average Exercise Price (in dollars per share) $ 25.50