Annual report pursuant to Section 13 and 15(d)

Property, plant and equipment

Property, plant and equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, plant and equipment at December 31, 2016 and 2015 consisted of the following:



	Estimated Useful Life (in Years)	2016			2015
Machinery and equipment	5 - 7 years	$	1,009,893		$	953,081
Furniture and fixtures	5 years	141,874			113,842
Computer software	3 - 5 years	102,415			67,215
Leasehold improvements	*	437,341			437,341
		1,691,523			1,571,479
Less - accumulated depreciation and amortization		(1,174,380		)	(1,027,725		)
Net property, plant and equipment		$	517,143		$	543,754

* Lesser of estimated useful life of asset or lease term

Depreciation and amortization expense on property and equipment for the years ended December 31, 2016 and 2015 was $165,695 and $172,006, respectively.