Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2019

Property Plant And Equipment [Abstract]

Summary of Property and Equipment

Property and equipment, net, consists of the following as of the dates indicated:

	June 30,			December 31,
	2019			2018
Furniture & fixtures	$	987,065		$	791,973
Leasehold improvements		1,964,098			1,930,300
Equipment used in manufacturing		2,302,172			2,297,797
Equipment used in research & development		1,868,783			1,456,954
Equipment used in the field		153,720			125,253
Software		373,683			373,683
Construction in progress		—			19,246
		7,649,521			6,995,206
Less: accumulated depreciation and amortization		(5,224,896	)		(4,621,416	)
	$	2,424,625		$	2,373,790