Accrued Liabilities

6 Months Ended

Jun. 30, 2016

Accrued Liabilities [Abstract]

Accrued Liabilities

8. Accrued Liabilities

At June 30, 2016 and December 31, 2015, accrued liabilities consisted of the following:

	June 30, 2016		December 31, 2015
	(Unaudited)
Accrued vacation and benefits	$	66,593	$	64,844
Accrued expenses relating to vendors and others		152,921		133,646
Accrued warranty costs		20,000		20,000
Accrued interest payable relating to stockholder notes		75,082		69,419
Deferred rent		32,833		33,599
	$	347,429	$	321,508