Property and Equipment, net

6 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and Equipment, net

Property and equipment, net consist of the following:

	June 30, 2019			December 31, 2018
Computer and office equipment	$	476,402		$	476,402
Lab equipment	4,567,104			4,437,794
Service equipment placed at customer sites	58,902			149,823
Leasehold improvements	1,875,647			1,875,647
	6,978,055			6,939,666
Less accumulated depreciation and amortization	(5,699,166		)	(5,162,364		)
	$	1,278,889		$	1,777,302

The Company recorded depreciation expense of $266,963 and $387,104 for the three months ended June 30, 2019 and 2018, respectively, and $536,802 and $778,555 for the six months ended June 30, 2019 and 2018, respectively, in operating expenses.