Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2013

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consists of the following:

	September 30, 2013			December 31, 2012
Computer equipment	$	2,172,535		$	2,003,706
Software		1,323,081			1,323,081
Furniture		599,650			599,650
Lab equipment		10,603,598			8,747,790
Office equipment		51,360			51,360
Leasehold improvements		4,893,770			4,881,706
Property and equipment		19,643,994			17,607,293
Less accumulated depreciation and amortization		(15,174,112	)		(14,339,497	)
Property and equipment, net	$	4,469,882		$	3,267,796