Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Operating loss carryforwards	$ 28,400,000
Operating loss carryforwards, subject to expiration	18,800,000
Operating loss carryforwards, not subject to expiration	9,600,000
Deferred tax assets, valuation allowance	0
Uncertain tax positions	0	$ 0	$ 0
Penalties and interest expense (income)	0	0	$ (55,000)
Amount of accrued interest or penalties	$ 0	$ 0