Property and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of property and Equipment
Gross	$ 10,319,000	$ 3,639,000
Accumulated depreciation and amortization	(2,969,000)	(2,012,000)
Net	7,349,531	1,626,791
Leasehold improvements [Member]
Summary of property and Equipment
Estimated useful life of leasehold improvements	Lease Term
Gross	906,000	786,000
Laboratory and research equipment [Member]
Summary of property and Equipment
Gross	1,084,000	975,000
Laboratory and research equipment [Member] | Maximum [Member]
Summary of property and Equipment
Estimated Useful Life	5 years
Laboratory and research equipment [Member] | Minimum [Member]
Summary of property and Equipment
Estimated Useful Life	3 years
Office furniture and equipment [Member]
Summary of property and Equipment
Gross	2,023,000	1,878,000
Office furniture and equipment [Member] | Maximum [Member]
Summary of property and Equipment
Estimated Useful Life	5 years
Office furniture and equipment [Member] | Minimum [Member]
Summary of property and Equipment
Estimated Useful Life	3 years
MelaFind Systems [Member]
Summary of property and Equipment
Estimated Useful Life	3 years
Gross	$ 6,306,000