Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Net income	$ 3,579,566	$ 2,411,865
Unrealized (loss) gain from marketable securities, net of tax	(90,165)	1,242,662
Comprehensive income	$ 3,489,401	$ 3,654,527