Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Apr. 30, 2021

Disclosure Text Block Supplement [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in Accumulated Other Comprehensive Income (Loss) (“AOCI”) by component and reclassifications from AOCI to Other income (expense), net, for the years ended April 30, 2021 and 2020, respectively, were as follows (in thousands):

	Change in
	Market Value
	of Marketable
	Securities
Balance April 30, 2019, net of taxes				$	46
Items of other comprehensive income (loss) before reclassification, pretax					443
Tax effect					-
Items of other comprehensive income (loss) before reclassification, net of taxes					443
Reclassification adjustments, pretax **		1
Tax effect					1
Total other comprehensive income (loss), net of taxes					444
Balance April 30, 2020, net of taxes					490
Items of other comprehensive income (loss) before reclassification, pretax					(171	)
Tax effect					(6	)
Items of other comprehensive income (loss) before reclassification, net of taxes					(177	)
Reclassification adjustments, pretax **		(28	)
Tax effect		6			(22	)
Total other comprehensive income (loss), net of taxes					(199	)
Balance April 30, 2021, net of taxes				$	291

**The reclassification adjustments represent net realized gains on the sale or redemption of available-for-sale marketable securities that were reclassified from AOCI to Other income (expense), net.