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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)
6 Months Ended
Jun. 30, 2016
Payables and Accruals [Abstract]  
Schedule of accounts payable and accrued expense
   

June 30,

2016

   

December 31,

2015

 
Accounts payable   $ 313     $ 186  
Accrued payroll     1,288       1,956  
Accrued outsourced pre-clinical and clinical fees     4,098       3,273  
Accrued professional fees     307       516  
Other accrued expenses     229       303  
    $ 6,235     $ 6,234