Net Loss Per Share - Schedule of the outstanding shares of potentially dilutive securities (Detail) - shares |
9 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
[1] | Dec. 31, 2020 |
[1] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||||||
| Antidilutive securities excluded from computation of earnings per share, amount | 62,151 | 9,831 | ||||||
| Stock options | ||||||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||||||
| Antidilutive securities excluded from computation of earnings per share, amount | 14,216 | 9,831 | 10,372,865 | 5,731,145 | ||||
| Common stock warrants | ||||||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||||||
| Antidilutive securities excluded from computation of earnings per share, amount | 47,935 | 0 | ||||||
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