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Warrant (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Class of Warrant or Right    
Warrants Issued   $ 29,920
KUPI | Warrant issued to UCB    
Class of Warrant or Right    
Number of common stock to be purchased under the warrant 2.5  
Warrants expiration period 3 years  
warrants exercise price $ 48.90  
Warrants Issued $ 29,900