Stockholders' Equity (Deficit) - Summary of Stock Option Activity (Detail) - $ / shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Number of Shares, Outstanding, Beginning	238,651	238,651	238,651
Number of Shares, Granted	621,348	0	0
Number of Shares, Exercised	0	0	0
Number of Shares, Cancelled	0	0	0
Number of Shares, Outstanding, Ending	859,999	238,651	238,651
Number of Shares, Options exercisable	602,591	238,651	238,651
Weighted Average Exercise Price Outstanding, Beginning	$ 15.95	$ 15.95	$ 15.95
Weighted Average Exercise Price, Granted	3.60	0	0
Weighted Average Exercise Price, Exercised	0	0	0
Weighted Average Exercise Price, Cancelled	0	0	0
Weighted Average Exercise Price, Outstanding, Ending	7.02	15.95	15.95
Weighted Average Exercise Price, Options exercisable	$ 8.49	$ 15.95	$ 15.95
Weighted Average Life , Outstanding, Ending	4 years 29 days
Weighted Average Life , Options exercisable	3 years 8 months 15 days	4 years 9 months 25 days	3 years 9 months 25 days

No definition available.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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