XML 21 R11.htm IDEA: XBRL DOCUMENT
v3.25.2

Patents and Other Intangible Assets | 6 Months Ended
--- | ---
Jun. 30, 2025
Patents and Other Intangible Assets |
Patents and Other Intangible Assets | Note 4 – Patents and Other Intangible Assets Patents and other intangible assets are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31, | ​
(in thousands) |  | 2025 |  | 2024 |
Patents | ​ | ​ | ​ | ​ | ​ | ​ | ​
Patents pending | ​ | $ | 377 | ​ | $ | 346 | ​
Issued patents | ​ |  | 1,056 | ​ |  | 1,034 | ​
​ | ​ |  | 1,433 | ​ |  | 1,380 | ​
Trademarks | ​ |  | ​ | ​ |  | ​ | ​
Registered trademarks | ​ |  | 86 | ​ |  | 86 | ​
​ | ​ |  | 86 | ​ |  | 86 | ​
Other | ​ |  | 8 | ​ |  | 8 | ​
​ | ​ |  | 1,527 | ​ |  | 1,474 | ​
Accumulated amortization | ​ |  | (729) | ​ |  | (644) | ​
​ | ​ | $ | 798 | ​ | $ | 830 | ​
​ Amortization expense for three and six months ended June 30, 2025 was $43 thousand and $85 thousand, respectively. ​ Amortization expense for three and six months ended June 30, 2024 was $42 thousand and $80 thousand, respectively. ​ ​ Future amortization expense associated with issued patents and registered trademarks as of June 30, 2025 is as follows: ​
​ | ​ | ​ | ​
(in thousands) | ​ | ​ | ​
2025 (remaining) |  | $ | 75
2026 | ​ |  | 130
2027 | ​ |  | 106
2028 | ​ |  | 70
2029 | ​ |  | 30
Thereafter | ​ |  | 2
​ | ​ | $ | 413
​ The amortization life for patents ranges between three to five years and trademark lives are set at ten years. The Company does not amortize patents or trademarks classified as pending. ​ During the three and six months ended June 30, 2025 and 2024, the Company assessed its patent and trademark assets. The Company also evaluated its strategic approach to the pursuit and protection of its intellectual property. It is the intent of the Company to continue to pursue intellectual property protection. If the Company identifies certain assets where the intellectual property does not directly align with its core technology, the Company will impair the intangible asset and write-off the asset as an expense.

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