Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
There were no changes in the carrying amount of goodwill during the nine months ended September 30, 2022:
Balance as of January 1, 2022AdditionsAccumulated Impairment LossesBalance as of September 30, 2022
(in thousands)
Goodwill$465 $— $— $465 
Schedule of Finite-Lived Intangible Assets
The carrying amounts of these intangible assets other than goodwill as of September 30, 2022 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,757 $(1,287)$470 
7-12
Customer relationships2,033 (1,949)84 
4-10
510(k) authorization567 (260)307 15
Developed technology62 (57)5 10
Capitalized software development costs4,828 (1,390)3,438 
2-5
Other75 (38)37 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$9,613 $(4,981)$4,632 
The carrying amounts of intangible assets other than goodwill as of December 31, 2021 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,736 $(1,136)$600 
7-12
Customer relationships2,033 (1,799)234 
4-10
510(k) authorization567 (232)335 15
Developed technology62 (52)10 10
Capitalized software development costs3,648 (791)2,857 
2-5
Other75 (31)44 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$8,412 $(4,041)$4,371 
Schedule of Indefinite-Lived Intangible Assets
The carrying amounts of these intangible assets other than goodwill as of September 30, 2022 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,757 $(1,287)$470 
7-12
Customer relationships2,033 (1,949)84 
4-10
510(k) authorization567 (260)307 15
Developed technology62 (57)5 10
Capitalized software development costs4,828 (1,390)3,438 
2-5
Other75 (38)37 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$9,613 $(4,981)$4,632 
The carrying amounts of intangible assets other than goodwill as of December 31, 2021 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,736 $(1,136)$600 
7-12
Customer relationships2,033 (1,799)234 
4-10
510(k) authorization567 (232)335 15
Developed technology62 (52)10 10
Capitalized software development costs3,648 (791)2,857 
2-5
Other75 (31)44 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$8,412 $(4,041)$4,371 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
As of September 30, 2022, the amortization expense related to identifiable intangible assets, with definite useful lives, in future periods is expected to be as follows:
Year Ending December 31,(in thousands)
2022 (remaining)$308 
20231,095 
20241,020 
2025853 
2026566 
Thereafter499 
Total$4,341