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Patents and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2025

Patents and Other Intangible Assets

Schedule of Patents and Other Intangible Assets

​

​	​	​	​	​	​	​	​
​	​	September 30,		​	December 31,		​
(in thousands)		2025			2024
Patents	​	​	​	​	​	​	​
Patents pending	​	$	378	​	$	346	​
Issued patents	​		1,076	​		1,034	​
​	​		1,454	​		1,380	​
Trademarks	​		​	​		​	​
Registered trademarks	​		86	​		86	​
​	​		86	​		86	​
Other	​		8	​		8	​
​	​		1,548	​		1,474	​
Accumulated amortization	​		(770)	​		(644)	​
​	​	$	778	​	$	830	​

Schedule of future amortization expense

​

​	​	​	​
(in thousands)	​	​	​
2025 (remaining)		$	36
2026	​		134
2027	​		110
2028	​		74
2029	​		34
Thereafter	​		4
​	​	$	392

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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

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-SubTopic 30
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