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Note 2 - Summary of Significant Accounting Policies - Net Income (Loss) per Common Share (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Net income (loss) $ (139,748) $ (701,690) $ 1,809,115 $ (2,671,184)
Weighted average common shares outstanding - Basic (in shares) 9,045,851 8,164,423 9,019,484 7,908,425
Dilutive impact of share-based compensation awards (in shares) 0 0 0 0
Weighted average common shares outstanding - Diluted (in shares) 9,045,851 8,164,423 9,019,484 7,908,425
Basic (in dollars per share) $ (0.02) $ (0.09) $ 0.2 $ (0.34)
Diluted (in dollars per share) $ (0.02) $ (0.09) $ 0.2 $ (0.34)