Property and Equipment, Net (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property and Equipment
Property and Equipment, gross	$ 2,497,000	$ 2,342,000
Less - accumulated depreciation	(978,000)	(496,000)
Property and equipment, net	1,519,000	1,846,000
Additions to leasehold improvements, furniture and fixtures	147,000	1,632,000	47,000
Depreciation expense	500,000	3,000,000	4,200,000
Furniture and Fixtures [Member]
Property and Equipment
Property and Equipment, gross	1,574,000	1,536,000
Leasehold Improvements [Member]
Property and Equipment
Property and Equipment, gross	430,000	430,000
Laboratory and Production Equipment [Member]
Property and Equipment
Property and Equipment, gross	493,000	376,000
Office Building [Member]
Property and Equipment
Accelerated depreciation expense		1,900,000	1,400,000
Impairment loss			$ 1,100,000