v3.25.4
Income Taxes - US Statutory Federal Tax Rate Reconciliation to effective income tax rate (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Federal income taxes at 21% statutory rate $ 2,754,701 $ 2,531,261
State and local taxes, net of federal income tax effect 245,615 144,938
Nontaxable or nondeductible items 302,532 (349,451)
Federal statutory tax rate difference (122,296) (56,690)
Tax credit (247,351)  
Total Income Tax Expense $ 2,933,201 $ 2,270,058
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Federal income taxes at 21% statutory rate 21.00%  
State and local taxes, net of federal income tax effect 1.90%  
Nontaxable or nondeductible items 2.30%  
Federal statutory tax rate difference (0.90%)  
Tax credit (1.90%)  
Provision for income taxes: 22.40%