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Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Business Combination Contingent Consideration Liability [Roll Forward]    
Acquisition-related accrued interest $ (253) $ (393)
Fair values | Level 3    
Business Combination Contingent Consideration Liability [Roll Forward]    
Balance, June 30, 2017 (7,644)  
Acquisition-related accrued interest (253)  
Payment 70  
Balance, September 30, 2017 $ (7,827)