v3.26.1
Income Taxes - Net operating losses (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Taxes      
Net operating losses $ 8,500,000 $ 5,700,000 $ 2,400,000
Income taxes paid 126,000 384,000  
Income tax paid state and local before refund received 5,000    
Proceeds from income tax refund federal 3,000    
Income tax paid federal after refund received   12,000  
Income tax paid state and local after refund received   1,000  
NOLs, annual limitations on use 71,000    
Federal      
Income Taxes      
Net operating losses 3,900,000 2,100,000  
NOLs, annual limitations on use 24,000,000    
NOLs, without regard to this permanent write-off 3,500,000    
State      
Income Taxes      
Net operating losses 4,100,000 3,600,000  
NOLs, annual limitations on use 13,700,000    
NOLs, without regard to this permanent write-off 4,100,000    
Foreign      
Income Taxes      
Net operating losses 500,000 0  
NOLs, without regard to this permanent write-off 500,000    
United Kingdom      
Income Taxes      
Income tax paid foreign before refund received $ 124,000    
Income tax paid foreign after refund received   353,000  
China      
Income Taxes      
Income tax paid foreign after refund received   17,000  
Singapore      
Income Taxes      
Income tax paid foreign after refund received   $ 1,000