Inventory (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Inventory Disclosure [Abstract]
Raw materials	$ 4,862,000	$ 4,666,000
Work in process	14,656,000	8,846,000
Finished goods	2,570,000	1,142,000
Deferred costs	6,550,000	1,960,000
Total Inventories	28,638,000	16,614,000
Inventory reserves	3,600,000	0
Inventory write-downs and reserves	$ 17,000,000	$ 500,000	$ 0