Property and Equipment

9 Months Ended

Sep. 30, 2018

Property Plant And Equipment [Abstract]

Property and Equipment

Note 6. Property and Equipment

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

	September 30,			December 31,
	2018			2017
Furniture & fixtures	$	771,767		$	582,007
Leasehold improvements		1,895,216			1,863,698
Equipment used in manufacturing		2,176,188			1,963,558
Equipment used in research & development		1,456,954			1,328,556
Equipment used in the field		130,552			130,552
Software		373,683			373,683
Construction in progress		117,447			255,641
		6,921,807			6,497,695
Less: accumulated depreciation and amortization		(4,307,187	)		(3,192,805	)
	$	2,614,620		$	3,304,890

Depreciation and leasehold improvement amortization expense was $347,886 and $1,126,230 for the three and nine months ended September 30, 2018, respectively, and $305,868 and $893,334 for the three and nine months ended September 30, 2017, respectively.