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Balance Sheet Components (Definite-lived Intangible Assets from Business Acquisitions) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Jul. 20, 2021
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 11,360,000 | $ 11,400,000
Accumulated Amortization | (381,000) |
Net Carrying Amount | 10,979,000 |
Developed Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 11,000,000 | $ 11,000,000.0
Accumulated Amortization | (306,000) |
Net Carrying Amount | $ 10,694,000 |
Estimated Useful Life (in years) | 15 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 360,000 |
Accumulated Amortization | (75,000) |
Net Carrying Amount | $ 285,000 |
Estimated Useful Life (in years) | 2 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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