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Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
There were no changes in the carrying amount of goodwill during the year ended December 31, 2020:
Balance as of January 1, 2020AdditionsAccumulated Impairment LossesBalance as of December 31, 2020
(in thousands)
Goodwill$465 $— $— $465 
Schedule of Finite-Lived Intangible Assets
The carrying amounts of these intangible assets other than goodwill as of December 31, 2020 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,736 $(951)$785 
7-12
Customer relationships2,033 (1,297)736 
4-10
510(k) authorization567 (194)373 15
Developed technology62 (46)16 10
Capitalized software development costs2,203 (302)1,901 
2-5
Other75 (29)46 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$6,967 $(2,819)$4,148 
The carrying amounts of intangible assets other than goodwill as of December 31, 2019 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,693 $(766)$927 
7-12
Customer relationships1,896 (836)1,060 
4-10
510(k) authorization567 (156)411 15
Developed technology62 (39)23 10
Capitalized software development costs780 (98)682 
2-5
Other75 (28)47 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$5,364 $(1,923)$3,441 
Schedule of Indefinite-Lived Intangible Assets
The carrying amounts of these intangible assets other than goodwill as of December 31, 2020 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,736 $(951)$785 
7-12
Customer relationships2,033 (1,297)736 
4-10
510(k) authorization567 (194)373 15
Developed technology62 (46)16 10
Capitalized software development costs2,203 (302)1,901 
2-5
Other75 (29)46 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$6,967 $(2,819)$4,148 
The carrying amounts of intangible assets other than goodwill as of December 31, 2019 were as follows:
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountEstimated Useful Lives
(in thousands)(in years)
Patents and license rights$1,693 $(766)$927 
7-12
Customer relationships1,896 (836)1,060 
4-10
510(k) authorization567 (156)411 15
Developed technology62 (39)23 10
Capitalized software development costs780 (98)682 
2-5
Other75 (28)47 
2-5
Capitalized patents and license rights not yet amortized291 — 291 
$5,364 $(1,923)$3,441 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
As of December 31, 2020, 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)
2021$1,140 
2022816 
2023558 
2024533 
2025335 
Thereafter475 
Total$3,857