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INVENTORIES
 9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
INVENTORIES

6.  INVENTORIES

 

The components of inventories are summarized below (in thousands):

         
    September 30,
2016		     December 31,
2015		  
Raw materials   $ 10,680     $ 7,115  
Work in process     5,716       3,918  
Finished goods     10,994       7,134  
Provision for excess and obsolete inventory     (499 )     (504 )
Total inventories   $ 26,891     $ 17,663  

 

Included in raw materials and finished goods at September 30, 2016 and December 31, 2015 are goods in transit of approximately $3.5 million and $2.1 million, respectively.

 

At September 30, 2016, $4.6 million of raw materials not pledged to our secured creditor were used as collateral to secure short term borrowings under a product financing arrangement, while none of the raw materials was pledged as of December 31, 2015.