4. PROPERTY AND EQUIPMENT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, gross	$ 3,281,467	$ 3,197,493
Less: accumulated depreciation	(2,443,600)	(2,099,389)
Property and equipment, net	$ 837,867	1,098,104
Computer Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	3 years
Property, plant and equipment, gross	$ 193,596	168,209
Office Furniture And Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, gross	$ 247,679	247,679
Office Furniture And Equipment [Member] | Maximum [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	5 years
Office Furniture And Equipment [Member] | Minimum [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Computer Software Intangible Asset [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	3 years
Property, plant and equipment, gross	$ 125,412	116,022
Laboratory Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Property, plant and equipment, gross	$ 1,120,693	1,100,559
Leasehold Improvements [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	5 years
Property, plant and equipment, gross	$ 683,295	675,672
Manufacturing Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Property, plant and equipment, gross	$ 910,792	$ 889,352