Stock-based Compensation - Stock Option Activity (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Shares
Granted (in shares)	1,685,601
Service Based Stock Options
Shares
Beginning balance (in shares)	8,527,626
Granted (in shares)	1,685,601
Exercised (in shares)	0
Expired (in shares)	(846,640)
Forfeited (in shares)	(68,276)
Ending balance (in shares)	9,298,311	8,527,626
Exercisable (in shares)	4,926,384
Weighted average exercise price per share
Beginning balance (in dollars per share)	$ 5.03
Granted (in dollars per share)	1.56
Exercised (in dollars per share)	0
Expired (in dollars per share)	9.73
Forfeited (in dollars per share)	1.90
Ending balance (in dollars per share)	4.00	$ 5.03
Exercisable (in dollars per share)	$ 3.97
Weighted average remaining contractual life
Options outstanding, weighted average remaining contractual life	7 years 4 months 2 days	6 years 6 months 18 days
Options exercisable, weighted average remaining contractual life	6 years 25 days