Stock Based Compensation (Details 4) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Total stock-based compensation	$ 1,828,722	$ 102,462	$ 4,626,529	$ 179,344
Research and development [Member]
Total stock-based compensation	201,872	52,479	410,637	93,552
General and administrative [Member]
Total stock-based compensation	$ 1,626,850	$ 49,983	$ 4,215,892	$ 85,792