Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted-average Shares Outstanding (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	7,363	3,656	7,363	3,656
Warrants to Purchase Common Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	2,560	1,631	2,560	1,631
Employee Stock Option
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	2,454	1,959	2,454	1,959
Vested restricted stock subject to recall [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	56	56	56	56
Unvested restricted stock subject to repurchase [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	2,293	10	2,293	10