Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 3,925,709	$ 3,730,664	$ 8,559,914	$ 11,160,145
Unrealized (loss) gain from marketable securities, net of tax	(145,452)	31,237	966,886	780,016
Comprehensive income	$ 3,780,257	$ 3,761,901	$ 9,526,800	$ 11,940,161