Basic and Diluted Loss Per Share - Schedule of potentially dilutive securities excluded from the diluted loss per share calculation (Details) - shares	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Basic and Diluted Loss Per Share
Total potentially dilutive securities	76,203,300	45,983,022
Public Warrants and Private Placement Warrants
Basic and Diluted Loss Per Share
Total potentially dilutive securities	19,333,303	19,333,303
Common Warrants
Basic and Diluted Loss Per Share
Total potentially dilutive securities	31,423,003
2014 Plan & 2021 Plan - Stock Options
Basic and Diluted Loss Per Share
Total potentially dilutive securities	12,295,814	18,644,931
2021 Plan - RSUs
Basic and Diluted Loss Per Share
Total potentially dilutive securities	12,894,647	7,759,186
ESPP - common stock
Basic and Diluted Loss Per Share
Total potentially dilutive securities	122,553	188,824
Restricted stock grants to Dahae executives
Basic and Diluted Loss Per Share
Total potentially dilutive securities	133,980	56,778