Statements of Comprehensive Income - USD ($)	12 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Statements Of Comprehensive Income
Net Income	$ 2,401,000	$ 3,086,000
Unrealized gain (loss) on securities:
Unrealized holding gains (losses) arising during period	1,451,000	(1,545,000)
Less: reclassification adjustment for (gains) losses included in net income	82,000	(62,000)
Income tax expense related to other comprehensive income	(641,000)	672,000
Other Comprehensive Income	892,000	(935,000)
Comprehensive Income	$ 3,293,000	$ 2,151,000