5. PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

	March 31, 2019			December 31, 2018
Manufacturing and laboratory equipment	$	8,366,402		$	8,233,203
Office equipment and computer software		1,571,178			1,608,994
Furniture and fixtures		1,212,045			1,163,552
Construction in process		911,744			845,538
Leasehold improvements		1,673,084			1,660,709
Land		4,339,441			4,339,441
Buildings and building improvements		15,700,092			15,685,325
		33,773,986			33,536,762
Less: Accumulated depreciation		(4,079,222	)		(3,421,032	)
Total property and equipment, net	$	29,694,764		$	30,115,730