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Note 11 - Stockholders' Equity (Details Textual) |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 24, 2025 shares | Feb. 28, 2025 USD ($) $ / shares shares | Nov. 30, 2024 $ / shares shares | Feb. 28, 2025 USD ($) $ / shares shares | Mar. 31, 2025 | Dec. 31, 2024 USD ($) $ / shares shares | Sep. 30, 2024 shares | Jun. 30, 2024 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) $ / shares shares | Feb. 28, 2025 $ / shares shares | Jun. 30, 2025 USD ($) shares | Jun. 30, 2024 USD ($) $ / shares | Dec. 31, 2024 USD ($) $ / shares shares | Jan. 31, 2025 shares
Preferred Stock, Shares Issued (in shares) |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Preferred Stock, Shares, Maximum Undesignated Issable (in shares) |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  |  | 45,000,000 |  |  |  |  | 45,000,000 |  | 45,000,000 |
Common Stock, Shares, Outstanding (in shares) |  |  |  |  |  | 1,823,275 |  |  |  |  | 2,166,350 |  | 1,823,275 |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  |  |  |  |  |  | $ 399,413 | $ 829,989 |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  |  |  | 10 |  |  |  |  |  |  |  |  |
Remote More U S A Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidation, Less Than Wholly Owned Subsidiary, Parent Ownership Interest, Number Of Shares Acquired (in shares) |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Additional Interest Issued to Parent | $ |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Cosolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Number Of Shares Held (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,262,500
Subsidiary, Ownership Percentage, Parent |  | 82.625% |  | 82.625% |  |  |  |  |  | 82.625% | 82.63% |  |  |
Stock Purchase Agreement [Member] | Tumim Stone Capital LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  | 5,643 | 0 | 18,467 | 4,022 |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  | $ 8.3 |  |  | $ 23.6 |  |  |  | $ 8.3 |
Proceeds from Issuance of Common Stock | $ |  |  |  |  |  | $ 46,728 |  | $ 239,885 | $ 95,104 |  |  |  |  |
Stock Purchase Agreement [Member] | Tumim Stone Capital LLC [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 12.7 |  |  |  | $ 12.7 |  |
Stock Purchase Agreement [Member] | Tumim Stone Capital LLC [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 15.6 |  |  |  | $ 15.6 |  |
Stock Purchase Agreement [Member] | Single Institutional Investor [Member] | Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  |  | 110,000 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period, Price Per Share (in dollars per share) | $ / shares |  |  | $ 7.9 |  |  |  |  |  |  | $ 8 |  |  |  |
Class of Warrant or Right, Additional Purchase Price Per Share (in dollars per share) | $ / shares |  |  |  | $ 0.1 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Exercise of Warrants (in shares) |  | 110,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Warrant Exercises | $ |  | $ 11,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock Purchase Agreement [Member] | Boris Krastev Ventures UG [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  | $ 6 |  | $ 6 |  |  |  |  |  | 6 |  |  |  |
Stock Purchase Agreement [Member] | Aurous Vertex Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 100,000 |  |  | 100,000 |  |  |  |  |  |  |  |  | 250,000 |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  | $ 3.385 |  | $ 3.385 |  | $ 6 |  |  |  | $ 3.385 |  |  | $ 6 |
Proceeds from Issuance of Common Stock | $ |  |  |  | $ 338,500 |  |  |  |  |  |  |  |  | $ 1,500,000 |
Option, Maximum Number of Shares (in shares) |  | 100,000 |  | 100,000 |  | 100,000 |  |  |  | 100,000 |  |  | 100,000 |
Option, Purchase Price Per Share (in dollars per share) | $ / shares |  | $ 3.385 |  | $ 3.385 |  | $ 6 |  |  |  | $ 3.385 |  |  | $ 6 |

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