Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 3,646,507	$ 2,222,340	$ 7,226,073	$ 4,634,205
Unrealized (loss) gain from marketable securities, net of tax	(197,034)	(130,324)	(287,199)	1,112,338
Comprehensive income	$ 3,449,473	$ 2,092,016	$ 6,938,874	$ 5,746,543