Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

At March 31, 2019 and December 31, 2018, accrued liabilities consisted of the following:

	March 31, 2019		December 31, 2018
	(Unaudited)
Accrued wages and benefits	$	41,361	$	52,753
Accrued expenses relating to vendors and others		144,451		128,114
Accrued warranty costs		20,000		20,000
Accrued interest payable relating to stockholder notes		19,230		329,801
Deferred rent		—		74,689
	$	225,042	$	605,357