Common Stock Warrants - Summary of Outstanding Warrants to Purchase Shares of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	May 18, 2023	Dec. 31, 2022	Dec. 09, 2022	Jul. 06, 2022	Mar. 03, 2022	Dec. 31, 2021	Nov. 30, 2021	Nov. 09, 2021	Mar. 23, 2021	Nov. 29, 2019
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	108,792,939	112,659,093		111,871,750				13,257,160
Exercise Price (in dollars per share)							$ 1.79
Class Of Warrant Or Right. Aggregate Proceeds From Warrants Issued			$ 12,600		$ 7,500	$ 14,500	$ 1,400		$ 10,000		$ 435	$ 21,000
Class of Warrant or Right, Additional Exercise Price of Warrants or Rights			$ 0.001		$ 0.001	$ 0.001	$ 0.01			$ 0.01	$ 0.01	$ 0.001
Funded
Class of Warrant or Right [Line Items]
Exercise Price (in dollars per share)			$ 1.519		$ 1,099.000	$ 1.094	$ 1,790			$ 4.97	$ 8.69
Issuance On October 25, 2016
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	5,155
Exercise Price (in dollars per share)	$ 19.78
Issuance On December 28, 2017
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	115,916
Exercise Price (in dollars per share)	$ 19.78
Issuance On September 12, 2018
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	20,220
Exercise Price (in dollars per share)	$ 19.78
Issuance On October 19, 2018
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	20,016
Exercise Price (in dollars per share)	$ 19.78
Issuance On March 13, 2019
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	5,000
Exercise Price (in dollars per share)	$ 19.78
Issuance on November 29, 2019
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	1,250,000
Exercise Price (in dollars per share)	$ 12.00
Issuance On March 23, 2021
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	50,000
Exercise Price (in dollars per share)	$ 8.70
Issuance on November 9, 2021
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	2,008,032
Exercise Price (in dollars per share)	$ 4.98
Issuance on March 3 2022
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	766,666
Exercise Price (in dollars per share)	$ 1.80
Issuance on July 2022 1
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	13,276,279
Exercise Price (in dollars per share)	$ 1.095
Issuance on July 6 2022 2
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	44,075,050
Exercise Price (in dollars per share)	$ 1.095
Issuance on December 9 2022 (1)
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)					32,137,448
Exercise Price (in dollars per share)	1.50
Issuance on December 9 2022 (2)
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)					6,800,000
Exercise Price (in dollars per share)	1.10
Issuance on May 18 2023
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)			8,263,157
Exercise Price (in dollars per share)	$ 1.52
Pre Funded Warrant
Class of Warrant or Right [Line Items]
Exercise Price (in dollars per share)												$ 11.999