Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Net loss	$ (43,513,000)	$ (22,127,000)
Income Tax Expense (Benefit)	0	0
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit	0
Valuation allowance	54,697,000	41,451,000
Increase in valuation allowance	13,200,000	6,300,000
Unrecognized tax benefits income tax penalties accrued	0	0
U.S. federal jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 91,400,000
Operating loss carryforwards limitations on use	offset future income tax liabilities and expire at various dates through 2037
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 5,200,000	3,600,000
U.S. federal jurisdiction | Minimum
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	85,300,000
State jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 148,400,000
Operating loss carryforwards limitations on use	offset future income tax liabilities and expire at various dates through 2041
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 2,700,000	$ 2,000,000.0