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Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Business Combination Contingent Consideration Liability [Roll Forward]        
Acquisition-related accrued interest $ (459) $ (394) $ (1,314) $ (1,083)
Fair values | Level 3        
Business Combination Contingent Consideration Liability [Roll Forward]        
Balance, June 30, 2016     (6,745)  
Acquisition-related accrued interest     (1,314)  
Payment     70  
Balance, March 31, 2017 $ (7,989)   $ (7,989)