v3.26.1
Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock Outstanding [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
Total
Balance (in shares) at Dec. 31, 2024 4,635,568        
Balance at Dec. 31, 2024 $ 4,636 $ 2,470,850 $ 9,209,030 $ (222,435) $ 11,462,081
Stock compensation expense $ 0 19,477 0 0 19,477
Issuance of common stock out of treasury (in shares) 3,955        
Issuance of common stock out of treasury $ 4 10,001 0 3,955 13,960
Cash dividends declared 0 0 (92,789) 0 (92,789)
Net income $ 0 0 782,239 0 782,239
Balance (in shares) at Mar. 31, 2025 4,639,523        
Balance at Mar. 31, 2025 $ 4,640 2,500,328 9,898,480 (218,480) 12,184,968
Balance (in shares) at Dec. 31, 2024 4,635,568        
Balance at Dec. 31, 2024 $ 4,636 2,470,850 9,209,030 (222,435) 11,462,081
Net income         927,021
Balance (in shares) at Jun. 30, 2025 4,639,523        
Balance at Jun. 30, 2025 $ 4,640 2,519,805 9,950,472 (218,480) 12,256,437
Balance (in shares) at Mar. 31, 2025 4,639,523        
Balance at Mar. 31, 2025 $ 4,640 2,500,328 9,898,480 (218,480) 12,184,968
Stock compensation expense 0 19,477 0 0 19,477
Cash dividends declared 0 0 (92,790) 0 (92,790)
Net income $ 0 0 144,782 0 144,782
Balance (in shares) at Jun. 30, 2025 4,639,523        
Balance at Jun. 30, 2025 $ 4,640 2,519,805 9,950,472 (218,480) 12,256,437
Balance (in shares) at Dec. 31, 2025 4,641,523        
Balance at Dec. 31, 2025 $ 4,642 2,591,755 10,464,410 (216,343) 12,844,464
Stock compensation expense $ 0 15,269 0 0 15,269
Issuance of common stock out of treasury (in shares) 1,364        
Issuance of common stock out of treasury $ 1 3,559 0 1,501 5,061
Cash dividends declared 0 0 (557,010) 0 (557,010)
Net income $ 0 0 971,489 0 971,489
Balance (in shares) at Mar. 31, 2026 4,642,887        
Balance at Mar. 31, 2026 $ 4,643 2,610,583 10,878,889 (214,842) 13,279,273
Balance (in shares) at Dec. 31, 2025 4,641,523        
Balance at Dec. 31, 2025 $ 4,642 2,591,755 10,464,410 (216,343) 12,844,464
Net income         1,976,425
Balance (in shares) at Jun. 30, 2026 4,642,887        
Balance at Jun. 30, 2026 $ 4,643 2,625,852 11,790,967 (214,842) 14,206,620
Balance (in shares) at Mar. 31, 2026 4,642,887        
Balance at Mar. 31, 2026 $ 4,643 2,610,583 10,878,889 (214,842) 13,279,273
Stock compensation expense 0 15,269 0 0 15,269
Cash dividends declared 0 0 (92,858) 0 (92,858)
Net income $ 0 0 1,004,936 0 1,004,936
Balance (in shares) at Jun. 30, 2026 4,642,887        
Balance at Jun. 30, 2026 $ 4,643 $ 2,625,852 $ 11,790,967 $ (214,842) $ 14,206,620