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v3.22.2.2

Basis of Presentation and Summary of Significant Accounting Policies - Other Narrative (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 5 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 05, 2022 USD ($) | Jun. 16, 2022 USD ($) $ / shares | Jun. 30, 2022 USD ($) $ / shares | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) $ / shares | Jun. 30, 2022 USD ($) segment $ / shares shares | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Jun. 30, 2022 CAD ($) | Dec. 31, 2021 CAD ($)
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, par value (in usd per share) | $ / shares |  | $ 0.0001 |  |  |  |  |  |  |  |
Accumulated deficit |  |  | $ 350,083,000 |  | $ 350,083,000 | $ 350,083,000 |  | $ 325,268,000 |  |
Working capital deficit |  |  | 13,100,000 |  | 13,100,000 | 13,100,000 |  |  |  |
Net loss |  |  | 13,198,000 | $ 4,668,000 |  | 24,815,000 | $ 13,496,000 |  |  |
Net cash outflows from operations |  |  |  |  |  | 21,499,000 | 20,268,000 |  |  |
Gross proceeds |  |  |  |  |  | 20,000,000 |  | 16,786,000 |  |
Cash and cash equivalents |  |  | 10,466,000 |  | 10,466,000 | 10,466,000 |  | 9,483,000 |  |
Sale of stock |  | $ 150,000,000 |  |  |  |  |  |  |  |
Deferred offering costs |  |  | 5,700,000 |  | 5,700,000 | $ 5,700,000 |  | 1,200,000 |  |
Number of operating segments | segment |  |  |  |  |  | 1 |  |  |  |
Number of reportable segments | segment |  |  |  |  |  | 1 |  |  |  |
Foreign currency transaction gain |  |  | 562,000 | 271,000 |  | $ 366,000 | 567,000 |  |  |
Marketable investments, fair value |  |  | 1,200,000 |  | 1,200,000 | 1,200,000 |  | 279,000 | $ 10.2 | $ 10.2
Marketable investments |  |  | 1,200,000 |  | $ 1,200,000 | 1,200,000 |  | $ 5,000 |  |
SR&ED investment tax credit |  |  | $ 400,000 | $ 400,000 |  | $ 800,000 | $ 600,000 |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Repayment of debt and final fee | $ 21,800,000 |  |  |  |  |  |  |  |  |
Gross proceeds from PIPE | 49,000,000 |  |  |  |  |  |  |  |  |
Sale of stock | $ 40,000,000 |  |  |  |  |  |  |  |  |
D-Wave Quantum, Inc. |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |
Issuance of common stock (in shares) | shares |  |  |  |  |  | 100 |  |  |  |
Common stock, par value (in usd per share) | $ / shares |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.0001 |  |  |  |
Net loss |  |  |  |  | $ 0 |  |  |  |  |
Cash and cash equivalents |  |  | $ 1 |  | $ 1 | $ 1 |  |  |  |

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