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Note 11 - Deposit for Investment (Details Textual) - USD ($) | Oct. 28, 2025 | Oct. 28, 2025 | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | --- | --- | ---
Deposits Assets, Noncurrent |  |  | $ 300,000 | $ 300,000
Fun Star [Member] |  |  |  |
Business Combination, Voting Equity Interest Acquired, Percentage | 9.90% | 9.90% |  |
Payments to Acquire Businesses, Gross | $ 625,000 | $ 625,000 |  |
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares |  | 150,000 |  |
Business Combination, Consideration Transferred, Equity Interest |  | $ 375,000 |  |
Business Combination, Price Per Share | $ 2.5 | $ 2.5 |  |
Deposits Assets, Noncurrent |  |  | $ 300,000 |

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