Inventory (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories, which were included in prepaid expenses and other current assets in the Company's balance sheets, consist of the following:

	March 31,		December 31,
	2013		2012
Raw materials	$	6,315	$	4,862
Work in process	25,061		14,656
Finished goods	6,390		2,570
Deferred costs	6,211		6,550
	$	43,977	$	28,638