4. PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

Description	Life		2015			2014
Computer equipment		3 years	$	193,596		$	168,209
Office furniture and equipment		5-7 years		247,679			247,679
Software		3 years		125,412			116,022
Laboratory equipment		7 years		1,120,693			1,100,559
Leasehold improvements		5 years		683,295			675,672
Manufacturing equipment		7 years		910,792			889,352
Subtotal				3,281,467			3,197,493
Less: accumulated depreciation				(2,443,600	)		(2,099,389	)
Property and equipment, net			$	837,867		$	1,098,104