STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)	3 Months Ended				6 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)
Net income	$ 4,026,145	$ 4,097,587	$ 4,723,566	$ 4,403,730	$ 8,123,732	$ 9,127,296
Unrealized loss from marketable securities, net of tax	680,417	28,710	(53,588)	(234,701)	709,127	(288,289)
Comprehensive income	$ 4,706,562	$ 4,126,297	$ 4,669,978	$ 4,169,029	$ 8,832,859	$ 8,839,007