Profit-Sharing Plan - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Defined Benefit Plan [Abstract]
Profit Sharing 401(k) Plans Description			The Company has 401(k) profit-sharing plans covering substantially all employees. The Company’s discretionary profit-sharing contributions are determined annually by the Board. No discretionary profit-sharing contributions were made to the plans during the three and nine months ended September 30, 2024 and 2023.
401(k) Profit sharing plans, employer contribution	$ 0	$ 0	$ 0	$ 0

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration