XML 43 R29.htm IDEA: XBRL DOCUMENT v3.23.2

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

12 Months Ended

Apr. 30, 2023

Notes Tables

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

		As of April 30, 2023
($ in thousands)		Level 1				Level 2				Level 3				Total
Cash equivalents		$	7,240			$	-			$	-			$	7,240
Equity securities			14,546				-				-				14,546
Available-for-sale fixed income securities			39,928				-				-				39,928
		$	61,714			$	-			$	-			$	61,714

		As of April 30, 2022
($ in thousands)		Level 1				Level 2				Level 3				Total
Cash equivalents		$	28,965			$	-			$	-			$	28,965
Equity securities			17,647				-				-				17,647
Available-for-sale fixed income securities			10,475				-				-				10,475
		$	57,087			$	-			$	-			$	57,087

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2C
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2C

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration