NET LOSS PER SHARE - Potentially Dilutive Securities (Details) - shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	49,404,137	50,769,158
Warrants | Public Warrants as converted to Common Shares (Note 7)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	14,419,555	14,420,065
Warrants | Private Warrants as converted to Common Shares (Note 7)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	11,633,060	11,633,060
Warrants | D-Wave Systems Warrant Shares as converted to Common Shares (Note 7)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	1,155,713	1,155,713
Stock options issued and outstanding
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	10,952,867	13,100,076
Unvested restricted stock unit awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)	11,242,942	10,460,244