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Balance Sheet Components (Acquired Intangible Assets, Net) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangible assets, gross | $ 6,730 | $ 6,730
Less: accumulated amortization | (6,730) | (6,640)
Acquired intangible assets, net | 0 | 90
Amortization of acquired intangible assets | 90 |
Cost of revenue |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization of acquired intangible assets | 72 |
Selling, general and administrative |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization of acquired intangible assets | 18 | 219
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangible assets, gross | 5,050 | 5,050
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangible assets, gross | 1,270 | 1,270
Backlog and tradename |  |
Finite-Lived Intangible Assets [Line Items] |  |
Acquired intangible assets, gross | $ 410 | $ 410

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