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Stock Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Millions |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2023 Individual | Oct. 30, 2023 USD ($) shares | Oct. 31, 2023 USD ($) | Feb. 28, 2021 | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, shares reserved for future issuance |  |  |  |  | 27,588,546 | 17,036,941
Weighted average grant date fair value of stock options | $ / shares |  |  |  |  | $ 5.45 |
Option exercised |  |  |  |  | 12,059 | 0
Aggregate intrinsic value of options exercised | $ |  |  |  |  | $ 0.1 |
Options granted |  |  |  |  | 838,686 | 0
Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized employee stock based compensation expense | $ |  |  |  |  | $ 0.1 |
Unrecognized employee stock based compensation expense, period for recognition |  |  |  |  | 1 year 10 months 13 days |
Gyre |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of outstanding shares of common stock |  |  |  |  | 2.80% |
2023 Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, shares reserved for future issuance |  | 17,845,496 |  |  |  |
Percentage of outstanding shares of common stock |  |  |  |  | 5.00% |
Options vested |  | 820,824 |  |  |  |
Incremental stock-based compensation | $ |  | $ 0.8 |  |  |  |
Expiration period |  | Oct. 30, 2030 |  |  |  |
2023 Incentive Plan | Gyre |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of individuals approved grants by board | Individual | 5 |  |  |  |  |
BC 2021 Stock Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Contractual terms of award |  |  |  | 7 years |  |
BC 2021 Stock Incentive Plan | BC |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Incremental stock-based compensation | $ |  |  | $ 2.0 |  |  |
Expiration period |  |  | Feb. 03, 2028 |  |  |

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