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Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Operating Loss Carryforwards [Line Items]    
Income tax expense (benefit) $ 717,000 $ (38,000)
Valuation allowance 169,394,000 132,953,000
Valuation allowance, period increase 36,400,000  
Unrecognized tax benefits that would impact effective tax rate 1,500,000 1,300,000
Unrecognized tax benefits, income tax penalties and interest accrued 0 0
Research and Development Tax Credit Carryforward    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward 14,800,000 12,500,000
Federal    
Operating Loss Carryforwards [Line Items]    
Net operating losses 416,300,000 385,500,000
Net operating losses, not subject to expiration 221,800,000  
Net operating losses, subject to expiration 194,500,000  
State    
Operating Loss Carryforwards [Line Items]    
Net operating losses $ 359,500,000 $ 359,900,000