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Property and Equipment
12 Months Ended
Dec. 31, 2019
Property and Equipment  
Property and Equipment

4 — Property and Equipment

Property and equipment consist of:

 

 

 

 

 

 

 

 

 

As of December 31, 

 

    

2019

    

2018

Computer software and hardware

 

$

627,624

 

$

555,292

Furniture and fixtures

 

 

1,112,550

 

 

901,415

Leasehold improvements

 

 

225,841

 

 

202,026

Machinery and equipment

 

 

1,778,524

 

 

2,184,015

Tooling in-process

 

 

163,105

 

 

58,263

 

 

 

3,907,644

 

 

3,901,011

Accumulated depreciation

 

 

(1,853,838)

 

 

(2,031,450)

Total

 

$

2,053,806

 

$

1,869,561

 

Depreciation and amortization expense of property and equipment was $501,218,  $470,395 and $362,872 for the years ended December 31, 2019, 2018 and 2017, respectively.

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

 

 

 

 

 

 

 

 

 

As of December 31, 

 

    

2019

    

2018

United States

 

$

1,689,740

 

$

1,439,545

International

 

 

364,066

 

 

430,016

Total property and equipment, net

 

$

2,053,806

 

$

1,869,561

 

Long-lived assets held outside of the United States consist principally of tooling, which is a component of property and equipment, net.