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Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended |
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Dec. 31, 2023 USD ($) Segment Reporting_Unit $ / shares shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Cash, cash equivalents and restricted cash, maturity period | three months or less |  |
Number of operating business segments | Segment | 1 |  |
Number of reporting units | Reporting_Unit | 1 |  |
Impairment charge | $ 0 | $ 48,648,000 |
Impairments of long-lived assets | 0 | 0 |
Goodwill | $ 0 | $ 0 | $ 48,648,000
Basic weighted average shares outstanding | shares | 24,619,197 | 14,285,254 |
Warrants exercise price | $ / shares | $ 0.001 |  |
Tax benefit | $ 0 |  |
Income tax examination, likelihood of settlement, description | The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon settlement. |  |
Income tax examination, likelihood of settlement, percentage | 50.00% |  |
Common and Preferred Warrants Outstanding [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Basic weighted average shares outstanding | shares | 5,776,270 | 509,117 |
Anelixis [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Impairment charge |  | $ 48,600,000 |
Anelixis Therapeutics, LLC and Otic Pharma, Ltd. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership interest percentage | 100.00% |  |
Otic Pharma, Inc. [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership interest percentage | 100.00% |  |

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