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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

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