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Warrant Liability (Restated) (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Warrant liability [Line Items]    
Beginning Balance $ 31,304 $ 19,991
Fair value adjustment 3,146 11,313
Ending Balance $ 34,450 $ 31,304