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Goodwill and Intangible Assets, Net (Tables)
9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets Activity Summary - Indefinite-lived
Intangible assets, net, are summarized as follows (in thousands):
September 30, 2022December 31, 2021
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Amortized intangible assets
Patents and know-how$9,810 $(6,928)$2,882 $9,578 $(6,408)$3,170 
Unamortized intangible assets:
Tradenames and trademarks$1,008 $1,008 $1,008 $1,008 
Patents in Process1,102 1,102 1,205 1,205 
Total intangible assets$11,920 $4,992 $11,791 $5,383 
Schedule of Intangible Assets Activity Summary - Finite-lived
Intangible assets, net, are summarized as follows (in thousands):
September 30, 2022December 31, 2021
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Amortized intangible assets
Patents and know-how$9,810 $(6,928)$2,882 $9,578 $(6,408)$3,170 
Unamortized intangible assets:
Tradenames and trademarks$1,008 $1,008 $1,008 $1,008 
Patents in Process1,102 1,102 1,205 1,205 
Total intangible assets$11,920 $4,992 $11,791 $5,383 
Amortization expense for the three and nine months ended September 30, 2022 and 2021 is summarized in the table below (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
Amortization expense$175 $193 $519 $647 
Schedule of Estimated Future Amortization Expense for Intangible Assets
Expected future amortization of intangible assets as of September 30, 2022, is as follows (in thousands):
Year ending December 31,Estimated
Amortization
Expense
2022 (excluding the nine months ended September 30, 2022)
$174 
2023698 
2024698 
2025303 
2026148 
Thereafter861 
Total amortized intangible assets$2,882