Stockholders' Equity (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Stock based compensation	$ 150,162	$ 907,914	$ 638,119	$ 1,647,802
Research and Development
Stock based compensation	3,758	5,005	7,475	6,710
Selling, General and Administrative
Stock based compensation	$ 146,404	$ 902,909	$ 630,644	$ 1,641,092