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Inventories
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories

8. INVENTORIES

 

Inventories are comprised of the following (in thousands):

 

    June 30, 2015     December 31, 2014  
    (Unaudited)        
                 
Raw materials   $ 1,517     $ 1,729  
Finished goods     207       207  
Total inventories   $ 1,724     $ 1,936