Inventory (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011
Inventory Disclosure [Abstract]
Raw materials	$ 6,553,000	$ 6,553,000	$ 4,666,000
Work in process	18,580,000	18,580,000	10,806,000
Finished goods	4,437,000	4,437,000	1,142,000
Total Inventories	29,570,000	29,570,000	16,614,000
Inventory write down and reserves	$ 200,000	$ 8,600,000