Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for Out of Money Potential Common Shares (Parenthetical) (Detail) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock Options With an Exercise Price of $3.42 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.42	$ 3.42	$ 3.42	$ 3.42
Stock Options With an Exercise Price of $3.59 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	3.59	3.59	3.59	3.59
Stock Options With an Exercise Price of $12.48 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	12.48	12.48	12.48	12.48
Stock Options With an Exercise Price of $12.84 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	12.84	12.84	12.84	12.84
Stock Options With an Exercise Price of $26.40 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	26.40	26.40	26.40	26.40
Stock Options With an Exercise Price of $3.35 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	3.35	3.35	3.35	3.35
Stock Options With an Exercise Price of $3.99 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	3.99	3.99	3.99	3.99
Stock Options With an Exercise Price of $4.67 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	4.67	4.67	4.67	4.67
Stock Options With an Exercise Price of $4.75 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	4.75	4.75	4.75	4.75
Stock Options With Exercise Price Of $5.76 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	5.76	5.76	5.76	5.76
Stock Options With an Exercise Price of $7.16 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 7.16	$ 7.16	$ 7.16	$ 7.16