Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property and Equipment

Property and equipment consisted of the following at December 31, 2012 and 2011:

Description	Life		2012			2011
Computer equipment		3 years	$	121,129		$	99,603
Office furniture and equipment		5-7 years		274,438			251,170
Software		3 years		149,867			96,097
Laboratory equipment		7 years		1,020,158			994,994
Leasehold improvements		10 years		622,772			603,445
Manufacturing equipment		7 years		571,187			177,528
Subtotal				2,759,551			2,222,837
Less: accumulated depreciation				(1,494,510	)		(1,193,601	)
Property and equipment, net			$	1,265,041		$	1,029,236