v3.26.1
Condensed Balance Sheets (unaudited) (Parenthetical) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Statement of Financial Position [Abstract]    
Allowance for credit losses $ 12,000 $ 12,000
Inventory net of allowances $ 94,100 $ 114,200
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 3,000,000 3,000,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 11,101,789 10,835,123
Common stock, shares outstanding 11,101,789 10,835,123