Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Number of Options
Outstanding, beginning of period (in shares)	4,191,426
Granted (in shares)	2,914,196
Forfeited (in shares)	(869,943)
Outstanding, end of period (in shares)	6,235,679	4,191,426
Vested and exercisable (in shares)	2,270,135
Weighted-Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 3.18
Granted (in dollars per share)	1.60
Forfeited (in dollars per share)	3.33
Outstanding, end of period (in dollars per share)	2.42	$ 3.18
Vested and exercisable (in shares)	$ 3.00
Stock Options Additional Disclosures
Outstanding, beginning of period, Weighted average remaining contractual life (Years)	7 years 2 months 12 days	9 years 1 month 6 days
Outstanding, end of period, Weighted average remaining contractual life (Years)	7 years 2 months 12 days	9 years 1 month 6 days
Vested and exercisable, Weighted average remaining contractual life (Years)	6 years 8 months 12 days
Outstanding, beginning of period, aggregate intrinsic value	$ 2	$ 6
Outstanding, end of period, aggregate intrinsic value	2	$ 6
Vested and exercisable, aggregate intrinsic value	$ 2