Preferred and Common Stock Warrants - Schedule of Outstanding Warrants (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 03, 2022
Number of warrants
Outstanding and exercisable as of December 31, 2020	13,257,160	13,354,403
Class Of Warrant Or Right Issued	104,531,257	2,058,032
Exercised (in shares)	(500,100)	(2,130,000)
Outstanding and exerciseable, Number of warrants, ending balance (in shares)	111,871,750	13,257,160	13,354,403
Issued	5,416,567	25,275
Weighted Average Exercise Price
Outstanding and exercisable warrants to purchase preferred shares, beginning balance (in dollars per share)	$ 7.96	$ 13.52
Outstanding and exercisable, ending balance (in dollars per share)	$ 1.86	$ 7.96	$ 13.52
Weighted Average Contractual Term (Years)	4 years 6 months 10 days	2 years 8 months 19 days	3 years 8 months 19 days
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	111,871,750	13,257,160	13,354,403
Convertible preferred stock exercise price (in dollars per share)				$ 1.79
Issuance on November 29, 2019
Number of warrants
Outstanding and exerciseable, Number of warrants, ending balance (in shares)	1,250,000
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)	1,250,000
Convertible preferred stock exercise price (in dollars per share)	$ 12.00