Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment.

The following is a summary of property, plant and equipment for the years ended December 31:



	2015			2014			Estimated Useful Life
Vehicles	$	462,258		$	475,357		5 Years
Leasehold Improvements	288,777			288,777			13 – 15 Years
Office Furniture and Equipment	307,349			297,737			3 – 7 Years
Computers and Software	945,543			897,102			3 – 5 Years
Machinery and Equipment	2,516,994			2,503,062			3 – 20 Years
Total Property, Plant and Equipment	$	4,520,921		$	4,462,035
Less: Accumulated Depreciation	(3,434,405		)	(3,097,422		)
Total Property, Plant and Equipment, Net	$	1,086,516		$	1,364,613

Depreciation expense was $357,995 and $394,309 for the years ended 2015 and 2014, of which $212,202 and $228,016 were included in cost of sales for 2015 and 2014, respectively.