INVENTORIES

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

INVENTORIES

6. INVENTORIES

The components of inventories are summarized below:

	December 31,
	2016			2015
Raw materials	$	10,175		$	7,115
Work in process		6,535			3,918
Finished goods		9,826			7,134
Provision for excess and obsolete inventory		(389	)		(504	)
Total inventories	$	26,147		$	17,663

Included in raw materials and finished goods are goods in transit of approximately $3.1 million in 2016 and $2.1 million in 2015. Additionally, $0.6 million of inventory in 2016 and $0.8 of inventory in 2015 was written off due to restructuring.

At December 31, 2016, $4.0 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.