Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expenses:
Research and development	3,548,992	3,458,886	12,971,735	9,368,640
General and administrative (including $109,000, $58,500, $450,000 and $307,000 of related party legal expenses, respectively)	2,321,974	3,084,796	7,992,735	9,597,780
Total operating expenses	5,870,966	6,543,682	20,964,470	18,966,420
Loss from operations	(5,870,966)	(6,543,682)	(20,964,470)	(18,966,420)
Other income (expenses):
Change in fair value of warrant liability	(228,750)	(425,795)	(3,002,449)	2,593,601
Gain on warrant exchange			2,228,697
Interest income	1,544	38,257	19,057	185,753
Interest expense	(22,539)	(26,310)	(77,895)	(88,530)
Total other income (expenses)	(249,745)	(413,848)	(832,590)	2,690,824
Net loss	$ (6,120,711)	$ (6,957,530)	$ (21,797,060)	$ (16,275,596)
Basic and diluted loss per common share	$ (0.05)	$ (0.06)	$ (0.17)	$ (0.15)
Basic and diluted weighted average shares outstanding	130,172,441	112,071,354	127,611,426	111,961,971