NET LOSS PER SHARE- Schedule of Shares Outstanding Were Excluded from the Calculation of Diluted Net Loss Per Ordinary Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Shares issuable upon exercise of stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	27,140,157	31,431,068	28,998,642	31,812,977
Shares issuable upon vesting of non-vested shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	3,950,517	1,371,685	3,753,591	2,646,585
Shares issuable upon vesting of capped non-vested shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	0	0	0	4,950,938
Shares issuable upon exercise of warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	33,937,000	33,937,000	33,937,000	30,946,124
Shares issuable upon vesting of earn-out shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	0	4,999,997	0	14,963,495
Shares issuable that may be subject to cancellation
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	1,687,500	1,687,500	1,687,500	1,687,500
Shares issuable upon conversion of convertible loan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	50,000,000	0	50,000,000	17,678,832