XML 32 R22.htm IDEA: XBRL DOCUMENT
v3.25.1

Patents and Other Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Patents and Other Intangible Assets |
Schedule of Patents and Other Intangible Assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31, | ​
(in thousands) |  | 2025 |  | 2024 |
Patents | ​ | ​ | ​ | ​ | ​ | ​ | ​
Patents pending | ​ | $ | 360 | ​ | $ | 346 | ​
Issued patents | ​ |  | 1,056 | ​ |  | 1,034 | ​
​ | ​ |  | 1,416 | ​ |  | 1,380 | ​
Trademarks | ​ |  | ​ | ​ |  | ​ | ​
Registered trademarks | ​ |  | 86 | ​ |  | 86 | ​
​ | ​ |  | 86 | ​ |  | 86 | ​
Other | ​ |  | 8 | ​ |  | 8 | ​
​ | ​ |  | 1,510 | ​ |  | 1,474 | ​
Accumulated amortization | ​ |  | (686) | ​ |  | (644) | ​
​ | ​ | $ | 824 | ​ | $ | 830 | ​
Schedule of future amortization expense | ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
2025 (remaining) |  | $ | 120
2026 | ​ |  | 129
2027 | ​ |  | 106
2028 | ​ |  | 69
2029 | ​ |  | 30
Thereafter | ​ |  | 2
​ | ​ | $ | 456

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 Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration