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v3.22.4

Subsequent events (Details) - USD ($) |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 27, 2022 | Oct. 13, 2022 | Mar. 03, 2022 | Nov. 10, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Oct. 26, 2022 | Jun. 16, 2022 | Mar. 31, 2022
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  |  | 174,378 |  |  |  |  |  |
Proceeds from issuance of common stock upon exercise of stock options |  |  |  |  | $ 72,000 | $ 66,000 |  |  |  |  |
ELOC, right to sell common stock |  |  |  |  |  |  |  |  |  | $ 150,000,000 |
DWave System [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  |  |  |  | 105,203 |  |  |  |
Proceeds from issuance of common stock upon exercise of stock options |  |  |  |  |  |  | $ 85,000 | $ 5,000 |  |  |
DWave System [Member] | Venture Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  | $ 25,000,000
Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  | 764,796 |  |  |  |  |  |  |
Proceeds from issuance of common stock upon exercise of stock options |  |  |  | $ 696,000 |  |  |  |  |  |  |
ELOC, right to sell common stock |  |  |  |  |  |  |  |  | $ 150,000,000 |  |
Subsequent Event | Restricted Stock Units (RSUs) [Member] | Employees |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Awards granted (in shares) | 3,578,590 | 4,496,833 |  |  |  |  |  |  |  |  |
Subsequent Event | Restricted Stock Units (RSUs) [Member] | Members of board of directors |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Awards granted (in shares) | 167,605 |  |  |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | Venture Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 25,000,000 |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  | Dec. 31, 2022 |  |  |  |  |  |  |  |
Percentage of the aggregate amount of the advances made under the venture loan agreement |  |  | 5.00% |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | Venture Loan Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 7.25% |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | Venture Loan Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.50% |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | First Tranche Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 15,000,000 |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | Second Tranche Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | 5,000,000 |  |  |  |  |  |  |  |
Subsequent Event | DWave System [Member] | Third Tranche Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 5,000,000 |  |  |  |  |  |  |  |

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