Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories as of June 30, 2016 and December 31, 2015 consist of the following:

	June 30, 2016			December 31, 2015
Finished goods	$	21,528			18,427
Semi-finished goods and work-in-process		55,396			47,131
Raw materials		6,692			5,987
Materials in-transit		1,820			2,107
Less: inventory reserve		(14,997	)		(16,033	)
Inventories, net	$	70,439		$	57,619

Changes in Inventory Reserve

	Three Months Ended			Six Months Ended			Three Months Ended			Six Months Ended
	June 30, 2016						June 30, 2015
Beginning balance	$	(17,246	)	$	(16,033	)	$	(41,818	)	$	(47,488	)
Change in reserve		547			(1,181	)		(4,977	)		(5,864	)
Write off		1,526			2,297			14,912			21,240
Translation adjustments		176			(80	)		522			751
Ending balance	$	(14,997	)	$	(14,997	)	$	(31,361	)	$	(31,361	)