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Balance sheet details - Schedule Of Other Assets Non current (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Total other noncurrent assets | $ 1,345 | $ 1,353 |
DWave System [Member] |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Investment in securities |  | 1,169 | $ 5
Long-term deposits |  | 184 | 182
Total other noncurrent assets |  | $ 1,353 | $ 187

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