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6. ACCOUNTS PAYABLE AND ACCRUED EXPENSES
12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses are as follows (in thousands):

 

   December 31, 
   2016   2015 
   (unaudited)   (unaudited) 
         
Accounts payable  $1   $1 
Accrued expenses   484    628 
Accrued payroll and vacation   761    208 
Total  $1,246   $837