Accrued Liabilities (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Accrued Liabilities [Abstract]
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
Accrued liabilities	$ 225,042	$ 605,357