XML 24 R14.htm IDEA: XBRL DOCUMENT
v3.23.2

Intangible Assets | 3 Months Ended
--- | ---
Jul. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | (7) Intangible Assets The components of intangible assets, net as of July 31, 2023 and April 30, 2023 consisted of the following: Schedule of Components of Intangible Assets
|  | July 31, 2023 |  |  | April 30, 2023 |
|  | (in thousands) |
Patents |  | $ | 2,729 |  |  | $ | 2,729 |
Trademarks |  |  | 2,769 |  |  |  | 2,769 |
Tradename |  |  | 130 |  |  |  | 130 |
Customer Relationships |  |  | 150 |  |  |  | 150 |
Intangible assets, gross |  |  | 5,778 |  |  |  | 5,778 |
Accumulated amortization |  |  | (1,840 | ) |  |  | (1,800 | )
Intangible assets, net |  | $ | 3,938 |  |  | $ | 3,978 |
Amortization expense was approximately $40,000 and $40,000 for the three-month periods ended July 31, 2023 and 2022, 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 + Details
Name: | us-gaap_IntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration