4. PROPERTY AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, gross	$ 3,197,493	$ 3,013,501
Less: accumulated depreciation	(2,099,389)	(1,718,477)
Property and equipment, net	1,098,104	1,295,024
Computer Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	3 years
Property, plant and equipment, gross	168,209	121,921
Office Furniture And Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, gross	247,679	245,297
Office Furniture And Equipment [Member] | Maximum [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Office Furniture And Equipment [Member] | Minimum [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	5 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	116,022	121,378
Laboratory Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Property, plant and equipment, gross	1,100,559	1,270,858
Leasehold Improvements [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	10 years
Property, plant and equipment, gross	675,672	665,158
Manufacturing Equipment [Member]
Property Plant And Equipment Disclosure [Line Items]
Property, plant and equipment, useful life	7 years
Property, plant and equipment, gross	$ 889,352	$ 588,889