Property and Equipment, Net (Details) (USD $)	1 Months Ended	12 Months Ended
	Oct. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property and Equipment
Property and Equipment, gross		$ 2,342,000	$ 11,042,000
Less - accumulated depreciation		(496,000)	(7,745,000)
Property and equipment, net		1,846,000	3,297,000
Additions to leasehold improvements, furniture and fixtures		1,632,000	47,000	507,000
Assets held for sale			2,000,000
Proceeds from sale of land and building	2,000,000
Gain on sale of equipment		400,000
Furniture and fixtures
Property and Equipment
Property and Equipment, gross		1,536,000	5,326,000
Leasehold improvements
Property and Equipment
Property and Equipment, gross		430,000	5,373,000
Laboratory and production equipment
Property and Equipment
Property and Equipment, gross		376,000	115,000
Construction in process
Property and Equipment
Property and Equipment, gross			228,000
Corporate office
Property and Equipment
Depreciation expense		3,000,000
Accelerated depreciation expense		$ 1,900,000