Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2017
Net income	$ 11,150	$ 14,738	$ 10,367
Other comprehensive income, net of tax:
Change in unrealized gains on securities, net of taxes	895	325	333
Other comprehensive income	895	325	333
Comprehensive income	$ 12,045	$ 15,063	$ 10,700