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Balance sheet details - Schedule of Prepaid expenses and other current assets (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Prepaid expenses: |  |  |
Prepaid Lincoln Park commitment fee | $ 3,279 | $ 0 |
Prepaid services | 1,319 | 125 |
Prepaid software | 1,027 | 531 |
Prepaid rent | 121 | 151 |
Prepaid commissions | 117 | 84 |
Other | 11 | 156 |
Other current assets: |  |  |
Directors and Officers insurance | 2,028 | 0 |
Unbilled receivables | 252 | 17 |
Security deposits | 36 | 52 |
Total prepaid expenses and other current assets | $ 8,190 | 1,116 |
DWave System [Member] |  |  |
Prepaid expenses: |  |  |
Prepaid services |  | 125 | $ 179
Prepaid software |  | 531 | 469
Prepaid rent |  | 151 | 187
Prepaid commissions |  | 84 | 102
Other |  | 156 | 133
Other current assets: |  |  |
Security deposits |  | 52 | 173
Unbilled receivables |  | 17 | 10
Total prepaid expenses and other current assets |  | $ 1,116 | $ 1,253

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