4. Property and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

At December 31, 2015 and 2014, property and equipment consists of the following:

	December 31,
	2015			2014
Office equipment	$	65,051		$	65,051
Furniture and fixtures		4,075			4,075
Testing Equipment		12,914			–
Subtotal		82,040			69,126
Less accumulated depreciation		(60,242	)		(47,180	)
Total	$	21,798		$	21,946

Depreciation expense for the years ended December 31, 2015, 2014 and 2013 was $13,062, $13,825 and $15,399, respectively.