Stockholders' Equity (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Non-cash stock-based compensation	$ 3,867,664	$ 708,998
Research and development
Non-cash stock-based compensation	12,636	0
Selling, general and administrative
Non-cash stock-based compensation	3,780,919	708,998
Stock-based compensation from discontinued operations [Member]
Non-cash stock-based compensation	$ 74,109	$ 0