Property, Plant and Equipment

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

Property, plant and equipment consisted of the following:

	Estimated Useful Lives (in years)	As of March 31, 2018			As of December 31, 2017
Laboratory and manufacturing equipment	3-10	$	5,525,018		$	5,511,452
Building and improvements	10-39		17,002,112			16,966,728
Office furniture and equipment	3-10		698,877			698,877
Construction in progress			8,902,019			8,315,436
Land			518,999			518,999
Property, plant and equipment, gross			32,647,025			32,011,492
Accumulated depreciation			(6,218,269	)		(5,941,803	)
Property, plant and equipment, net		$	26,428,756		$	26,069,689

As of March 31, 2018 and December 31, 2017, construction in progress consisted principally of payments for equipment to be used in our Nisin production facility. Approximately $3,430 and $435,448 of property, plant and equipment was disposed of during the three-month period ended March 31, 2018 and the year ended December 31, 2017, respectively.