Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 2,411,865	$ 3,607,419	$ 2,411,865	$ 3,607,419
Unrealized gain from marketable securities, net of tax	1,242,662	570,063	1,242,662	570,063
Comprehensive income	$ 3,654,527	$ 4,177,482	$ 3,654,527	$ 4,177,482