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Stockholders' Equity (Details 3) - Warrant [Member] - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options/Warrants, Beginning Balance	5,225,533	3,089,119
Number of Shares, Issued		(354,891)
Number of Shares, Exercised		2,491,305
Number of Options/Warrants, Ending balance	5,225,533	5,225,533
Weighted Average Exercise Price, Beginning Balance,	$ 0.35	$ 0.40
Weighted Average Exercise Price, Issued		0.44
Weighted Average Exercise Price, Exercised		0.29
Weighted Average Exercise Price, Ending Balance,	$ 0.35	$ 0.35
Year of Expiration, Beginning Balance		2018 - 2020
Year of Expiration, Issued		2018
Year of Expiration, Exercised		2023 - 2028
Year of Expiration, Ending Balance	2019 - 2028	2019 - 2028

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