Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2018	Jan. 31, 2017
Net income	$ 8,996	$ 1,445	$ 13,283	$ 9,283
Other comprehensive income, net of tax:
Change in unrealized gains on securities, net of taxes	496	290	753	150
Other comprehensive income	496	290	753	150
Comprehensive income	$ 9,492	$ 1,735	$ 14,036	$ 9,433