Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Net income	$ 4,952	$ 2,451	$ 12,853	$ 8,857
Other comprehensive income (loss), net of tax:
Change in unrealized gains (losses) on securities, net of taxes	(30)	164	332	345
Other comprehensive income (loss)	(30)	164	332	345
Comprehensive income	$ 4,922	$ 2,615	$ 13,185	$ 9,202