Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Line Items]
Current income tax expense (benefit)	$ 0	$ 0
Deferred Income Tax Expense (Benefit)	$ 0	0
Operating loss carryforwards, limitations on use	an ownership change as defined by Section 382 results from transactions increasing the ownership of certain shareholders or public groups in the stock of a corporation by more than 50 percentage points over a three-year period.
Uncertain tax positions	$ 0	0
Accrued interest or penalties	0	$ 0
Federal
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 117,400,000
Operating loss carryforwards expiration year	2036
Federal | Research and Development
Income Tax Disclosure [Line Items]
Tax credit carryforward	$ 1,300,000
Tax credit carryforward expiration year	2037
Federal | Prior to 2018 Tax Year
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 5,800,000
Federal | NOL Current and Prior to 2018 Tax Year
Income Tax Disclosure [Line Items]
Operating loss carryforwards	111,600,000
State
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 119,000,000.0
Operating loss carryforwards expiration year	2036
State | Research and Development
Income Tax Disclosure [Line Items]
Tax credit carryforward	$ 100,000
Tax credit carryforward expiration year	2033
State | Research and Development Tax Credit Carryforward Indefinitely
Income Tax Disclosure [Line Items]
Tax credit carryforward	$ 300,000