Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Net income	$ 6,029	$ 4,952	$ 16,202	$ 12,853
Other comprehensive income (loss), net of tax:
Change in unrealized gains (losses) on securities, net of taxes	947	(30)	921	332
Other comprehensive income (loss)	947	(30)	921	332
Comprehensive income	$ 6,976	$ 4,922	$ 17,123	$ 13,185