Property and equipment

12 Months Ended

Dec. 31, 2019

Property and equipment

Property and equipment

3. Property and equipment

Property and equipment consist of the following:

	December 31,
	2019		2018
Lab equipment	$	88,107	$	69,770
Furniture & Fixtures		20,580		16,313
Computer equipment		18,399		12,689
Property and equipment, at cost		127,086		98,772
Less accumulated depreciation and amortization		(85,447)		(74,322)
Property and equipment—net	$	41,639	$	24,450

Depreciation expense for years ended December 31, 2019, 2018 and 2017 was $11,126,  $8,316 and $7,932, respectively.