Income Taxes - Narrative (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Increase in valuation allowance	$ 6,700,000	$ 6,900,000
Federal operating loss carryforward	110,200,000
Operating loss carryforward, foreign	8,500,000
Unrecognized tax benefits	0	$ 0
Domestic
Operating Loss Carryforwards [Line Items]
Operating loss carryforward subject to expiration	42,000,000
Operating loss carryforward not subject to expiration	68,200,000
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforward, research	$ 0