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Note 2 - Basis of Presentation and Use of Estimates and Significant Accounting Policies - Net Income (Loss) per Common Share (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Net loss $ (1,040,027) $ (2,156,629)
Basic weighted average common shares outstanding (in shares) 9,026,130 8,167,244
Dilutive impact of share-based compensation awards(1) (in shares) [1] 0 0
Weighted average common shares outstanding - Diluted (in shares) 9,026,130 8,167,244
[1] All stock options are excluded from the dilutive impact of share-based compensation awards when we are in a loss position because their inclusion would be anti-dilutive.