Property and Equipment, Net (Details) (USD $)											9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Buildings and improvements	Dec. 31, 2012 Buildings and improvements	Sep. 30, 2013 Laboratory and production equipment	Dec. 31, 2012 Laboratory and production equipment	Sep. 30, 2013 Furniture and fixtures	Dec. 31, 2012 Furniture and fixtures	Sep. 30, 2013 Construction in process	Dec. 31, 2012 Construction in process	Sep. 30, 2013 Corporate office	Sep. 30, 2013 Leasehold improvements and furniture and fixtures
Property and Equipment
Property and Equipment, gross	$ 3,158,000	$ 11,042,000	$ 953,000	$ 5,373,000	$ 343,000	$ 115,000	$ 1,828,000	$ 5,326,000	$ 34,000	$ 228,000		$ 1,400,000
Less - accumulated depreciation	(1,417,000)	(7,745,000)
Property and equipment, net	1,741,000	3,297,000
Depreciation expense											2,800,000
Accelerated depreciation expense											$ 1,900,000