Inventory (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following:

	March 31,		December 31,
	2014		2013
Raw materials	$	6,792	$	9,120
Work-in-process	47,858		35,868
Finished goods	13,230		14,352
Deferred costs	18,665		11,014
	$	86,545	$	70,354