Accrued Liabilities

12 Months Ended

Dec. 31, 2018

Accrued Liabilities [Abstract]

Accrued Liabilities

8. Accrued Liabilities

At December 31, 2018 and December 31, 2017, accrued liabilities consisted of the following:

	2017		2017
Accrued wages and benefits	$	52,753	$	69,025
Accrued expenses relating to vendors and others		128,114		136,681
Accrued warranty costs		20,000		20,000
Accrued interest payable relating to stockholder notes		329,801		115,039
Deferred rent		74,689		22,059
	$	605,357	$	362,804