Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories by Type

Inventories consisted of the following:

	As of December 31,
	2013		2012
	(in thousands)
Raw materials	$	489	$	3,754
Work-in-process	9,981		11,317
Finished goods	3,677		15,393
Total	$	14,147	$	30,464