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Stock Option Plan - Additional information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Outstanding options issued | 33,237 | 46,589 | 69,391 |
Weighted average fair value of stock option granted | $ 10.84 | $ 55.8 |  |
Options available for future grant | 142,745 |  |  |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted shares vested |  | 3,332 |  |
Vested shares, Weighted average exercise price |  | $ 179.4 |  |
Share-based payment award, forfeitures |  | 2,928 |  |
Forfeitured shares, Weighted average exercise price |  | $ 246 |  |
Share-based payment award, unvested shares |  | 0 |  |
Restricted Stock [Member] | Employees [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based payment award granted | 0 | 0 |  |
Unvested Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation costs related to unvested restricted stock outstanding | $ 0.4 |  |  |
Expected recognition period | 1 year 3 months 14 days |  |  |
the "2012 Plan" [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options available for future grant | 7,109 |  |  |
the "2020 Plan" [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock reserved for future issuance | 33,236 |  |  |
Share-based payment award, number of shares authorized | 147,109 |  |  | 140,000
Options available for future grant | 142,745 |  |  |

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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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