Stockholders' Equity - Summary of outstanding warrants (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total
Class of Warrant or Right [Roll Forward]
Beginning Balance (in shares)	81,563,197	34,394,402
Beginning Balance	$ 67,496,000	$ 41,850,000
Transfers to an unrelated third party (in shares)	6,176,794	46,816,480
Warrant Issuances	$ 531,000	$ 25,604,000
Ending Balance (in shares)	87,739,991	81,210,882
Ending Balance	$ 68,027,000	$ 67,454,000
5-Year Public Warrants
Class of Warrant or Right [Roll Forward]
Beginning Balance (in shares)	25,163,383	24,811,068
Beginning Balance	$ 28,954,000	$ 28,912,000
Transfers to an unrelated third party (in shares)	6,176,794	0
Warrant Issuances	$ 531,000	$ 0
Ending Balance (in shares)	31,340,177	24,811,068
Ending Balance	$ 29,485,000	$ 28,912,000
Public Offering Warrants
Class of Warrant or Right [Roll Forward]
Beginning Balance (in shares)	9,583,334	9,583,334
Beginning Balance	$ 12,938,000	$ 12,938,000
Transfers to an unrelated third party (in shares)	0	0
Warrant Issuances	$ 0	$ 0
Ending Balance (in shares)	9,583,334	9,583,334
Ending Balance	$ 12,938,000	$ 12,938,000
Private Placement Offering Warrants
Class of Warrant or Right [Roll Forward]
Beginning Balance (in shares)	46,816,480	0
Beginning Balance	$ 25,604,000	$ 0
Transfers to an unrelated third party (in shares)	0	46,816,480
Warrant Issuances	$ 0	$ 25,604,000
Ending Balance (in shares)	46,816,480	46,816,480
Ending Balance	$ 25,604,000	$ 25,604,000