Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Additional Information (Details)

v3.26.1
Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2018
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]        
Valuation allowance increase (decrease) $ 500,000 $ (4,100,000)    
General business tax credits $ 12,100,000 $ 12,200,000    
Statutory federal tax rate (in percent) 21.00% 21.00%    
Unrecognized tax benefits $ 0 $ 0    
Federal        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards expiration year 2037      
Business credits expiration year 2043      
Net operating loss carryforwards $ 78,800,000 72,400,000 $ 13,200,000 $ 59,500,000
State and Local        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards $ 68,500,000 $ 65,300,000    
State and Local | Minimum [Member]        
Operating Loss Carryforwards [Line Items]        
operating loss carryforward expiration period 10 years      
State and Local | Maximum [Member]        
Operating Loss Carryforwards [Line Items]        
operating loss carryforward expiration period 20 years