Property and Equipment

6 Months Ended

Jun. 30, 2019

5 — Property and Equipment

Property and equipment consist of:


	June 30,		December 31,
	2019		2018
	(unaudited)
Computer software and hardware	$	534,616	$	555,292
Furniture and fixtures		988,229		901,415
Leasehold improvements		209,226		202,026
Machinery and equipment		2,212,349		2,184,015
Tooling in-process		91,146		58,263
		4,035,566		3,901,011
Accumulated depreciation		(2,205,372)		(2,031,450)
Total	$	1,830,194	$	1,869,561

Depreciation expense of property and equipment was $126,653 and $115,088 for the three months ended June 30, 2019 and 2018, respectively, and $250,994 and $224,459 for the six months ended June 30, 2019 and 2018, respectively.

Property and equipment, net, information by geographic region is as follows:


	June 30,		December 31,
	2019		2018
	(unaudited)
United States	$	1,422,908	$	1,439,545
International		407,286		430,016
Total property and equipment, net	$	1,830,194	$	1,869,561

Long-lived assets held outside of the United States consist principally of tooling and machinery and equipment, which are components of property and equipment, net.