Condensed Statement Of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Statement Of Operations [Abstract]
Revenues:
Expenses:
General and administrative	1,149,206	1,795,952	4,184,744	5,192,122
Research and development	1,131,418	2,887,955	5,022,049	10,379,081
Total Expenses	2,280,624	4,683,907	9,206,793	15,571,203
Loss from Operations	(2,280,624)	(4,683,907)	(9,206,793)	(15,571,203)
Other Income
Interest income	78,534	55,153	256,569	198,362
Other income				368,750
Unrealized gain (loss) on fair value of warrants	242,860	(710,065)	2,183,714	3,752,131
Total Other Income (Expense)	321,394	(654,912)	2,440,283	4,319,243
Net Loss Before Provision for Income Taxes	(1,959,230)	(5,338,819)	(6,766,510)	(11,251,960)
Provision for income taxes
Net Loss	$ (1,959,230)	$ (5,338,819)	$ (6,766,510)	$ (11,251,960)
Net loss per share, basic and diluted	$ (0.49)	$ (2.02)	$ (1.72)	$ (4.26)
Weighted average number of shares outstanding, basic and diluted	4,019,141	2,641,511	3,940,288	2,640,769