Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

	As of September 30, 2015			As of December 31, 2014			Increase (Decrease)
Laboratory and manufacturing equipment	$	3,602,690		$	3,522,465		$	80,225
Building and improvements		4,579,852			2,969,891			1,609,961
Office furniture and equipment		569,567			470,607			98,960
Construction in progress⁽¹⁾		738,282			1,270,672			(532,390	)
Land		72,807			50,000			22,807
Property, plant and equipment, gross		9,563,198			8,283,635			1,279,563
Accumulated depreciation		(4,607,584	)		(4,445,988	)		(161,596	)
Property, plant and equipment, net	$	4,955,614		$	3,837,647		$	1,117,967

⁽¹⁾As of December 31, 2014, construction in progress consisted of a building addition that was completed during the first quarter of 2015. As of September 30, 2015, construction in progress consisted principally of partial payments towards new manufacturing equipment.