Contingent Liability (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Disputed interest payable	$ 171,247	$ 171,247
Attorney fees	21,412	$ 21,412
Deceased promissory note holder [Member]
Contingent liability	450,000
Disputed interest payable	171,247
Attorney fees	$ 21,412