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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