Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Summary of Property and Equipment

Property and equipment, net consists of the following:

	December 31,
	2018			2017
Furniture & fixtures	$	791,973		$	582,007
Leasehold improvements		1,930,300			1,863,698
Equipment used in manufacturing		2,297,797			1,963,558
Equipment used in research & development		1,456,954			1,328,556
Equipment used in the field		125,253			130,552
Software		373,683			373,683
Construction in progress		19,246			255,641
		6,995,206			6,497,695
Less: accumulated depreciation and amortization		(4,621,416	)		(3,192,805	)
	$	2,373,790		$	3,304,890