Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Deferred tax expense or benefit	$ 0	$ 0
Accrual for interest or penalties	0	0
Unrecognized tax benefits	510,000	$ 234,000	$ 149,000
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	39,900,000
Operating loss carryforwards subject to expiration	600,000
Operating loss carryforwards indefinite period	$ 39,300,000
Percentage to be utilized to offset future taxable income.	80.00%
Net operating loss carryforwards expiration starting period	2037
Federal | Research
Operating Loss Carryforwards [Line Items]
Tax credits	$ 900,000
Tax credits expiration starting year	2037
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 39,400,000
Net operating loss carryforwards expiration starting period	2037
State | Research
Operating Loss Carryforwards [Line Items]
Tax credits	$ 900,000