Summary of Significant Accounting Policies - Summary of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share (Detail) - shares	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	8,376,684	3,581,302
Warrants to purchase common stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	14,440	64,440
Options to purchase common stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	3,223,074	3,476,064
Employee stock purchase plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	11,759	17,678
Restricted stock units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	220,818
Restricted stock awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	12,745	23,120
Convertible Senior Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share Amount	4,893,848