Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Valuation allowance	$ 56,045,000	$ 59,996,000	$ 62,441,000	$ 62,699,000
GILTI income	$ 400,000	2,000,000.0	$ 2,500,000
Operating loss carryforwards, expiration end year	2043
Liabilities for unrecognized tax benefits	$ 2,300,000	2,300,000
Penalties accrued related to unrecognized tax benefits		(2,000)
Interest accrued related to unrecognized tax benefits	1,000	(1,000)
Recognized total liability for penalties	4,000	4,000
Recognized total liability for interest	$ 8,000	$ 7,000
Research and experimental cost amortization period	5 years
Federal
Income Taxes [Line Items]
Operating loss carryforwards	$ 89,000,000
State
Income Taxes [Line Items]
Operating loss carryforwards	$ 49,800,000
Research and experimental cost amortization period	5 years
Foreign
Income Taxes [Line Items]
Operating loss carryforwards	$ 52,600,000
Research and experimental cost amortization period	15 years