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Note 8 - Related Party Transactions (Details Textual) - USD ($) |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 18, 2023 | Mar. 16, 2023 | Feb. 17, 2023 | Feb. 08, 2023 | Oct. 04, 2022 | Jun. 26, 2022 | Feb. 08, 2022 | Jan. 06, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  |  |  |  |  | $ 456,961 | $ 1,344,569
Shares Issued, Price Per Share (in dollars per share) |  | $ 1.6 |  | $ 1.75 |  | $ 2.28 | $ 3.32 |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 69,000 |  | 273,000 |  | 66,667 | 1,000 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  | 3 years |  | 3 years |  |  | 3 years |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 1,403,000 |  |  |  |  | 1,520,000 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  |  |  | 10 years |  |  |  |  | 10 years |
Angry Pug Sportswear [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Purchases from Related Party |  |  |  |  |  |  |  |  | $ 24,389 | $ 22,835
Louis Hoch [Member] | Angry Pug Sportswear [Member] |  |  |  |  |  |  |  |  |  |
Ownership Percentage |  |  |  |  |  |  |  |  | 50.00% |
Chief Financial Officer [Member] |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 2,619 |  |  |  |  |  |  | 11,361 |  |
Treasury Stock, Value, Acquired, Cost Method | $ 4,452 |  |  |  |  |  |  | $ 47,930 |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 1.7 |  |  |  |  |  |  | $ 4.21 |  |
Chief Financial Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 21,000 |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  |  |  |  |  | 3 years |  |  |  |
Chief Financial Officer [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 200,000 |  |  |  |  |  |
Chairman, President, Chief Executive Officer and Chief Operating Officer [Member] |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 3,927 |  |  |  | 26,234 |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 6,675 |  |  |  | $ 42,761 |  |  |  |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 1.7 |  |  |  | $ 1.63 |  |  |  |  |
Executive Vice President [Member] |  |  |  |  |  |  |  |  |  |
Annual Base Salary |  |  | $ 250,000 |  |  |  |  |  |  |
Employment Agreement, Commissions Percentage |  |  | 10.00% |  |  |  |  |  |  |
Payment of One-time Signing Bonus |  |  | $ 40,000 |  |  |  |  |  |  |
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 33,000 |  |  |  |  |  |
Chief Executive Officer [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 330,000 |  |  |  |  |  |
Director One [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 12,000 |  |  |  |  |  |
Director One [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 100,000 |  |  |  |  |  |
Director Two [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 12,000 |  |  |  |  |  |
Director Two [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 100,000 |  |  |  |  |  |
Director Three [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 21,000 |  |  |  |  |  |  |  |
Director Four [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 21,000 |  |  |  |  |  |  |  |
Director Five [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 21,000 |  |  |  |  |  |  |  |
Director Six [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 6,000 |  |  |  |  |  |  |  |

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