Stockholders' Equity (Deficit) - January 2024 Securities Purchase Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended	9 Months Ended
	Sep. 15, 2024	Mar. 04, 2024	Jan. 12, 2024	Feb. 27, 2023	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	May 09, 2024	Jan. 11, 2024
Class of Stock [Line Items]
Exercise price (in dollars per share)			$ 0.96
Warrants and rights outstanding, term (in years)		5 years	5 years		5 years	5 years
Aggregate cost	$ 2,800	$ 4,000	$ 4,000	$ 10,000
Agent fees and other offering costs	300	500	400			$ 1,137	$ 1,135
Proceeds from issuance of warrants	$ 2,400	$ 3,500	$ 3,600
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs					$ 2,443
January Pre-Funded Warrants
Class of Stock [Line Items]
Number of warrants exercised on net basis (in shares)			2,787,000
Exercise price (in dollars per share)			$ 0.00001
January Warrants
Class of Stock [Line Items]
Number of warrants exercised on net basis (in shares)			3,687,000
Warrants and rights outstanding, term (in years)			5 years
November Modified Warrants
Class of Stock [Line Items]
Number of warrants exercised on net basis (in shares)			5,808,538
Exercise price (in dollars per share)			$ 3.86					$ 0.54
Warrants and rights outstanding, term (in years)			5 years						4 years 9 months 29 days
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs			$ 1,200
Common Class A
Class of Stock [Line Items]
Number of shares sold (in shares)		1,320,000	900,000
Purchase price (in dollars per share)	$ 0.55	$ 0.87	$ 1.09
Number of warrants exercised on net basis (in shares)	10,000,000
Exercise price (in dollars per share)					$ 575.00	$ 575.00