4. Property and Equipment

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

At March 31, 2016 and December 31, 2015, property and equipment consists of the following:

	March 31, 2016 (unaudited)			December 31, 2015
Office equipment	$	28,040		$	65,051
Furniture and fixtures		2,880			4,075
Testing Equipment		12,914			12,914
Subtotal		43,834			82,040
Less accumulated depreciation		(27,302	)		(60,242	)
Total	$	16,532		$	21,798

Depreciation expense for the three-month periods ended March 31, 2016 and 2015 was $1,923 and $3,213, respectively. During the period ended March 31, 2016, the Company disposed of certain property and equipment with aggregate costs of $38,206 and accumulated depreciation of $34,863 which resulted in a loss of $3,343.