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Income Taxes (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Taxes [Line Items]    
Income tax provision
Increase in valuation allowance 300,000  
Unrecognized tax benefits 1,600,000 1,600,000
Interest and penalties accrued for taxes 0 0
Unrecognized tax benefits that would impact effective tax rate  
Domestic Tax Jurisdiction [Member]    
Income Taxes [Line Items]    
Operating loss carryforwards 359,500,000 341,000,000
Operating loss carryforwards, subject to expiration 73,300,000  
Domestic Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member]    
Income Taxes [Line Items]    
Credit carryforwards 3,500,000 3,500,000
State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Operating loss carryforwards 222,800,000 258,400,000
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]    
Income Taxes [Line Items]    
Credit carryforwards $ 3,500,000 $ 3,500,000