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Note 1 - Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2021

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

		As of April 30, 2021
($ in thousands)		Level 1				Level 2				Level 3				Total
Cash equivalents		$	18,209			$	-			$	-			$	18,209
Equity securities			23,582				-				-				23,582
Available-for-sale fixed income securities			2,600				-				-				2,600
		$	44,391			$	-			$	-			$	44,391

		As of April 30, 2020
($ in thousands)		Level 1				Level 2				Level 3				Total
Cash equivalents		$	2,115			$	-			$	-			$	2,115
Equity securities			14,125				-				-				14,125
Available-for-sale fixed income securities			15,079				-				-				15,079
		$	31,319			$	-			$	-			$	31,319

X

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ References

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-Publisher FASB
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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