XML 24 R14.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Intangible Assets | 9 Months Ended
--- | ---
Jan. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | (7) Intangible Assets The components of intangible assets, net as of January 31, 2024 and April 30, 2023 consisted of the following: Schedule of Components of Intangible Assets
|  | January 31, 2024 |  |  | April 30, 2023 |
|  | (in thousands) |
Patents |  | $ | 2,729 |  |  | $ | 2,729 |
Trademarks |  |  | 2,769 |  |  |  | 2,769 |
Tradename |  |  | — |  |  |  | 130 |
Customer Relationships |  |  | — |  |  |  | 150 |
Intangible assets, gross |  |  | 5,498 |  |  |  | 5,778 |
Accumulated amortization |  |  | (1,842 | ) |  |  | (1,800 | )
Intangible assets, net |  | $ | 3,656 |  |  | $ | 3,978 |
Amortization expense was approximately $114,000 and $119,000 for the nine-month periods ended January 31, 2024 and 2023, respectively. Amortization expense was approximately $34,000 and $40,000 for the three-month periods ended January 31, 2024 and 2023, respectively. Additionally, in connection with the sale of 3Dent in November of 2023, the Tradename and Customer Relationships were both expensed fully during the nine-month periods ended January 31, 2024 under Loss on disposition of assets on the Consolidated Statements of Operations.

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