Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Valuation allowance	$ 62,441	$ 62,699
GILTI income	$ 2,500	0
Operating loss carryforwards, expiration end year	2041
Income tax benefit, PPP loan forgiveness	$ 6,200
Liabilities for unrecognized tax benefits	2,300	2,300
Amount of unrecognized tax benefits, which, if recognized, would affect the tax rate	0	100
Penalties accrued related to unrecognized tax benefits	(3)	(5)
Interest accrued related to unrecognized tax benefits	(9)	21
Recognized total liability for penalties	3	7
Recognized total liability for interest	5	$ 14
Federal
Income Taxes [Line Items]
Operating loss carryforwards	119,500
State
Income Taxes [Line Items]
Operating loss carryforwards	45,300
Foreign
Income Taxes [Line Items]
Operating loss carryforwards	$ 69,000