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Intangible Assets, Net and Other non-current assets - Schedule of Finite Lived Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | $ 4,367 | $ 2,867
Less: accumulated amortization | (2,932) | (2,816)
Intangible assets, net | 1,435 | 51
Royalty receivable | 5,000 | 6,000
Other | 1,451 | 903
Total other non-current assets | 6,451 | 6,903
Purchased intangible |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | 3,858 | 2,358
Purchased patent |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, gross | $ 509 | $ 509

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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