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Patents and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Patents and Other Intangible Assets

Schedule of Patents and Other Intangible Assets

​

​	​	​	​	​	​	​
​	​	December 31,
(in thousands)		2023			2022
Patents	​	​	​	​	​	​
Patents pending	​	$	477	​	$	307
Issued patents	​		810	​		815
​	​		1,287	​		1,122
Trademarks	​		​	​		​
Trademarks pending	​		4	​		6
Registered trademarks	​		86	​		95
​	​		90	​		101
Other	​		8	​		8
​	​		1,385	​		1,231
Accumulated amortization	​		(549)	​		(433)
​	​	$	836	​	$	798

Schedule of future amortization expense

​

​	​	​	​
(in thousands)	​	​	​
2024		$	129
2025	​		99
2026	​		66
2027	​		43
2028	​		7
Thereafter	​		3
​	​	$	347

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- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

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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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