Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Accrued interest and penalties related to uncertain tax positions	$ 0	$ 0
Operating loss carry-forwards	9,600,000	7,100,000
Deferred tax assets, operating loss carry-forwards	17,318,000	14,510,000
Deferred tax assets, operating loss carryforwards, portion available after application of IRC Section 382 limitations	71,000,000
Operating loss, subject to expiration	37,500,000
Net deferred tax liabilities	0	0
Deferred payroll taxes, CARES Act	77,000
Proceeds from PPP loan	0	$ 795,000
Paycheck Protection Program CARES Act
Operating Loss Carryforwards [Line Items]
Proceeds from PPP loan	795,000
U.S. Federal
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carry-forwards	125,400,000
State and Local
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carry-forwards	$ 77,200,000