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Note 2 - Investments - Income from Securities Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Dividend income	$ 121	$ 70
Interest income	56	71
Realized gain on sale of securities	783
Other	(2)
Total income from securities transactions, net	$ 958	$ 141

X

- Definition

Amount of dividend income on nonoperating securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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X

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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- Definition

Amount of realized gain (loss) on investment.

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No definition available.

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