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Other Expense (Tables)
 3 Months Ended
Sep. 30, 2015
Other Income and Expenses [Abstract]  
Summary of Other Expense

Other expense consists of the following (in thousands):

 

     Three Months Ended  
     September 30,  
     2015      2014  

Amortization of debt discount

    $ (127 )     $ —     

Amortization of deferred financing costs

      (43 )       —     

Interest expense

      (80 )       —     

Change in fair value of warrant liability

      (159 )       —     
  

 

 

     

 

 

  

Total other expense

    $ (409 )     $ —