D-Wave Systems Inc. - Condensed consolidated statements of stockholders’ (deficit) equity - USD ($) $ in Thousands	Total	Non-redeemable convertible preferred stock	Common stock	Additional Paid-in capital	Accumulated deficit	Accumulated other comprehensive loss
Preferred stock, balance (in shares) at Dec. 31, 2020		137,765,828
Common stock, balance (in shares) at Dec. 31, 2020			3,061,746
Balance at Dec. 31, 2020	$ 32,729	$ 189,881	$ 2,492	$ 144,537	$ (293,723)	$ (10,458)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)			81,043
Exercise of stock options	65		$ 94	(29)
Stock-based compensation	330			330
Foreign currency translation adjustment, net of tax	11					11
Net loss	(13,496)				(13,496)
Preferred stock, balance (in shares) at Jun. 30, 2021		137,765,828
Common stock, balance (in shares) at Jun. 30, 2021			3,142,789
Balance at Jun. 30, 2021	$ 19,639	$ 189,881	$ 2,586	144,838	(307,219)	(10,447)
Preferred stock, balance (in shares) at Dec. 31, 2021	137,765,828	137,765,828
Common stock, balance (in shares) at Dec. 31, 2021	3,166,949		3,166,949
Balance at Dec. 31, 2021	$ 3,020	$ 189,881	$ 2,610	146,240	(325,268)	(10,443)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	174,378		174,378
Exercise of stock options	$ 140		$ 201	(61)
Stock-based compensation	1,600			1,600
Foreign currency translation adjustment, net of tax	(38)					(38)
Net loss	$ (24,815)				(24,815)
Preferred stock, balance (in shares) at Jun. 30, 2022	137,765,828	137,765,828
Common stock, balance (in shares) at Jun. 30, 2022	3,341,327		3,341,327
Balance at Jun. 30, 2022	$ (20,093)	$ 189,881	$ 2,811	147,779	(350,083)	(10,481)
Preferred stock, balance (in shares) at Jun. 30, 2022	137,765,828	137,765,828
Common stock, balance (in shares) at Jun. 30, 2022	3,341,327		3,341,327
Balance at Jun. 30, 2022	$ (20,093)	$ 189,881	$ 2,811	$ 147,779	$ (350,083)	$ (10,481)