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Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Provision for income taxes $ 0 $ 0
Deferred tax liabilities 0 0
Valuation allowance 48,353,000 20,376,000
Operating Loss Carryforwards [Line Items]    
Accrued interest and penalties related to uncertain tax positions 0 0
Federal    
Operating Loss Carryforwards [Line Items]    
Net operating losses available to reduce future taxable income 156,584,000 67,955,000
Net operating losses available to reduce future taxable income subject to expiration 110,000  
Net operating losses available to reduce future taxable income not subject to expiration 114,514,000  
Federal | Research and development    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward 3,373,000 2,299,000
State    
Operating Loss Carryforwards [Line Items]    
Net operating losses available to reduce future taxable income 104,555,000 41,106,000
Net operating losses available to reduce future taxable income subject to expiration 5,041,000  
State | Research and development    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward $ 2,854,000 $ 2,043,000