Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Stock option expense	$ 734,700	$ 689,300	$ 2,519,700	$ 1,386,900
ResearchAndDevelopmentExpenseMember
Stock option expense	274,900	299,100	955,600	627,400
ResearchAndDevelopmentExpenseMember | Options [Member]
Stock option expense	274,900	299,100	955,600	627,400
GeneralAndAdministrativeExpenseMember
Stock option expense	459,800	390,200	1,564,100	759,500
GeneralAndAdministrativeExpenseMember | Options [Member]
Stock option expense	$ 459,800	$ 390,200	$ 1,564,100	$ 759,500