Property and Equipment

6 Months Ended

Jun. 30, 2017

Property Plant And Equipment [Abstract]

Property and Equipment

Note 6. Property and Equipment

Property and equipment, net, consists of the following:

	June 30,			December 31,
	2017			2016
Office equipment	$	505,221		$	447,580
Leasehold improvements		1,854,052			1,847,378
Laboratory and manufacturing equipment		2,703,030			2,659,621
Field equipment		131,096			131,096
Software		150,451			150,451
Construction in progress		261,633			176,963
		5,605,483			5,413,089
Less: accumulated depreciation and amortization		(2,724,996	)		(2,142,892	)
	$	2,880,487		$	3,270,197

Depreciation and leasehold improvement amortization expense was $291,421 and $587,466 for the three and six months ended June 30, 2017, respectively, and $371,805 and $728,828 for the three and six months ended June 30, 2016, respectively.