Basis of Presentation (Details Narrative) - USD ($)	9 Months Ended
	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Basis Of Presentation And Going Concern Details Narrative
Accumulated Deficit during its development stage	$ (175,410,100)	$ (156,543,800)
Cash proceeds from issuance of common stock	68,600,000
Cash proceeds from grant awards and other events	17,600,000
Cash and cash equivalents	$ 6,285,300	$ 10,378,300	$ 13,031,800	$ 2,921,300