Basic and Diluted Loss Per Share - Schedule of potentially dilutive securities excluded from the diluted loss per share calculation (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Earnings (Loss) Per Share
Total potentially dilutive securities	49,448,303	48,756,467
Warrants
Earnings (Loss) Per Share
Total potentially dilutive securities	19,333,303	19,333,303
2014 Plan & 2021 Plan - stock options
Earnings (Loss) Per Share
Total potentially dilutive securities	22,969,681	25,877,631
2021 Plan - RSUs
Earnings (Loss) Per Share
Total potentially dilutive securities	7,076,624	3,477,809
ESPP - common stock
Earnings (Loss) Per Share
Total potentially dilutive securities	60,037	67,724
Non-employee restricted stock grants - common stock
Earnings (Loss) Per Share
Total potentially dilutive securities	8,658