Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories as of December 31, 2013, 2012 and 2011 consist of the following:

	Year Ended December 31,
	2013			2012 (As Restated)			2011 (As Restated)
Finished goods		43,734			30,715			13,224
Semi-finished goods and work-in-process		92,030			62,918			49,124
Raw materials		9,464			11,996			11,183
Materials in-transit and other		1,870			2,184			1,471
Less: inventory reserve		(72,400	)		(25,429	)		(12,319	)
Inventories, net	$	74,698		$	82,384		$	62,683

Changes in Inventory Reserve

Changes in inventory reserve for the years ended December 31, 2013, 2012 and 2011 are as follows:

	Year Ended December 31,
	2013			2012 (As Restated)			2011 (As Restated)
Beginning balance	$	(25,429	)	$	(12,319	)	$	(7,100	)
Change in reserve		(48,015	)		(14,910	)		(7,311	)
Write off		3,086			3,376			1,806
Translation adjustments		(2,042	)		(1,576	)		286
Ending balance	$	(72,400	)	$	(25,429	)	$	(12,319	)