XML 24 R13.htm IDEA: XBRL DOCUMENT v3.25.2

Intangible Assets

3 Months Ended

Jul. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

(7) Intangible Assets

The components of intangible assets, net as of July 31, 2025 and April 30, 2025 consisted of the following:

 Schedule of Components of Intangible Assets

		July 31, 2025				April 30, 2025
		(in thousands)
Patents		$	2,729			$	2,729
Trademarks			2,769				2,769
Intangible assets, gross			5,498				5,498
Accumulated amortization			(2,042	)			(2,008	)
Intangible assets, net		$	3,456			$	3,490

Amortization expense was approximately $34,000 and $33,000 for the three-month periods ended July 31, 2025 and 2024, respectively.

X

- References

No definition available.

+ Details

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

X

- Definition

The entire disclosure for all or part of the information related to intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-30/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481283/985-20-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/985-20/tableOfContent

+ Details

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