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Note 11 - Stockholders' Equity (Details Textual) - USD ($) |  |  |  |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 12, 2024 | Sep. 27, 2024 | Sep. 12, 2024 | Jun. 24, 2024 | Jan. 03, 2024 | Jun. 26, 2023 | Jun. 23, 2022 | May 17, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2013 | Sep. 30, 2023 | Dec. 31, 2022
Common Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  | $ 0.001
Common Stock, Shares, Issued (in shares) |  |  |  |  |  |  |  |  | 9,475,443 | 5,727,310 |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  | 2,500,000 | 2,500,000 |  |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |
Preferred Stock, Shares Issued (in shares) |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Share-Based Payment Arrangement, Amount Withheld for Tax Withholding Obligation |  |  |  |  |  |  |  |  | $ 104,940 |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  |  |  |  |  |  |  |  | 6,369,871 | 531,250 |  |  |
Common Stock, Shares, Outstanding (in shares) |  |  |  |  |  |  |  |  | 9,475,443 | 5,727,310 |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  |  |  |  |  |  | 311,154 |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  |  | $ 664,434 | $ 627,904 |  |  |
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount |  |  |  |  |  |  |  |  | $ 616,234 |  |  |  |
Restricted Stock Units (RSUs) [Member] | The 2022 Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  |  |  |  |  |  | 331,863 |  |  |  |
Prefunded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 555,302 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 584,529 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  | $ 2 |  |  |  |  |  |  |  |  |  |  |
Warrant Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  |  |  | $ 0.008 |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  | 3,803,133 |  |  |  |  |
Proceeds from Issuance or Sale of Equity |  |  |  |  |  |  |  | $ 15,182,075 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  |  |  |  |  | $ 3.992 |  |  |  |  |
Private Placement Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  | 531,250 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  |  |  |  | $ 5.2 |  |  |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  |  |  |  |  |  | 28,846 |  |  |  |  |  |
The 2023 Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  |  | 531,250 |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 5.2 |
Warrants and Rights Outstanding, Term (Year) |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Warrants in Security Purchase Agreement Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 2 |  |  |  |  |  |  |  |  |  |  |  |
Pre-funded Warrants in Security Purchase Agreement Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 814,569 |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 3,630,129 |  |  |  |  |  |  |  |  |  |  |
Equity Issued, Number of Common Stock Per Issue (in shares) |  | 1 |  |  |  |  |  |  |  |  |  |  |
Equity Issued, Price Per Share (in dollars per share) |  | $ 2 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Issued, Price Per Share (in dollars per share) |  | $ 1.999 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Prefunded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 1,369,871 |  |  |  |  |  |  |  |  |  |  |
Equity Issued, Number of Warrants Per Issue (in shares) |  | 1 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Equity Issued, Number of Warrants Per Issue (in shares) |  | 1 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) |  | 1 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 29,227 |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche One [Member] | Prefunded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 555,302 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche One [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 584,529 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 3,600,902 |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ 8,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche Two [Member] | Prefunded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 814,569 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement, Tranche Two [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 4,415,471 |  |  |  |  |  |  |  |  |  |  |
Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) |  |  |  |  |  |  |  | $ 4 |  |  |  |  |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  |  |  |  | $ 6,000,000 |  |  |  |  |  |
Warrants in Security Purchase Agreement Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 4,415,471 |  |  |  |  |  |  |  |  |  |  |  |
Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares) |  |  |  |  |  | 24,500 |  |  |  |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures |  |  |  |  |  | $ 73,500 |  |  |  |  |  |  |
Director [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) |  |  |  |  |  |  |  |  | 26,040 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant |  |  |  |  |  |  |  |  |  |  | $ 36,750 |  |
Management [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares) |  |  | 26,042 | 11,932 | 85,528 |  |  |  |  |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures |  |  | $ 116,667 | $ 36,750 | $ 289,672 |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) |  |  |  |  | 29,998 |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Amount Withheld for Tax Withholding Obligation |  |  |  |  | $ 104,940 |  |  |  |  |  |  |  |
Board of Directors Chairman [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant |  |  |  |  |  |  |  |  |  |  | $ 73,500 |  |
Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Issued (in shares) |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  | 0 | 0 |  |  |

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