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Stockholders' Equity (Deficit) - January 2024 Securities Purchase Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands													12 Months Ended
	Dec. 12, 2025	Dec. 09, 2025	Oct. 20, 2025	Oct. 10, 2025	Sep. 08, 2025	Jul. 01, 2025	Mar. 21, 2025	Feb. 11, 2025	Dec. 17, 2024	Dec. 12, 2024	Mar. 04, 2024	Jan. 12, 2024	Dec. 31, 2025	Dec. 31, 2024	Oct. 14, 2025	Sep. 25, 2025	Mar. 20, 2025	Oct. 24, 2024	Sep. 15, 2024	May 09, 2024
Class of Stock [Line Items]
Purchase price (in dollars per share)																$ 22.13
Number of warrants exercised on net basis (in shares)																		20,009
Exercise price (in dollars per share)								$ 77.07	$ 121.74			$ 239.90
Warrants and rights outstanding, term (in years)						5 years		5 years	5 years
Aggregate cost	$ 17,400	$ 3,700	$ 13,000	$ 9,200			$ 2,100		$ 5,000		$ 4,000	$ 4,000
Agent fees and other offering costs											$ 500	$ 400	$ 1,673	$ 1,677
Proceeds from issuance of warrants									$ 4,400
Change in fair value of warrant liability					$ 600								$ (2,330)	$ 0
January Pre-Funded Warrants
Class of Stock [Line Items]
Number of warrants exercised on net basis (in shares)												11,153
Exercise price (in dollars per share)												$ 0.00001
January Warrants
Class of Stock [Line Items]
Warrants and rights outstanding, term (in years)												5 years
Proceeds from issuance of warrants												$ 3,600
November Modified Warrants
Class of Stock [Line Items]
Number of warrants exercised on net basis (in shares)												23,244
Exercise price (in dollars per share)												$ 964.61								$ 136.02
Change in fair value of warrant liability										$ 1,200
Common Class A
Class of Stock [Line Items]
Number of shares sold (in shares)						38,096	60,025	16,807	12,886		5,283	3,602
Purchase price (in dollars per share)											$ 216.16	$ 271.14							$ 137.45
Number of warrants exercised on net basis (in shares)															418,466	37,816			40,017
Exercise price (in dollars per share)							$ 34.45		$ 108.53				$ 143,693				$ 67.83
Warrants and rights outstanding, term (in years)													5 years