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v3.25.1

Note 4 - Capital Stock (Details Textual) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 24 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 23, 2024 shares | Mar. 30, 2023 $ / shares shares | Jan. 31, 2025 USD ($) $ / shares shares | Mar. 31, 2025 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 $ / shares shares | Dec. 31, 2024 $ / shares shares | Oct. 06, 2023 $ / shares | Mar. 31, 2023 $ / shares shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  | 150,000,000 |  | 150,000,000 |  | 150,000,000 |  |
Common Stock, Shares, Issued (in shares) |  |  |  |  | 1,154,926 |  | 1,144,926 |  | 1,144,926 |  |
Common Stock, Shares, Outstanding (in shares) |  |  |  |  | 1,154,737 |  | 1,144,737 |  | 1,144,737 |  |
Stock Issued During Period, Shares, Warrants Exercised (in shares) |  |  |  |  | 10,000 |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |
Class of Warrant or Right, Outstanding (in shares) |  |  |  |  | 2,262,203 |  |  |  |  |  |
Warrant Adjustment, Deemed Dividend | $ |  |  |  |  | $ 8,974,000 |  | $ 8,974,000 |  |  |  |
Warrants Post Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Outstanding (in shares) | [1] |  |  |  | 127,531 |  |  |  |  |  |
Series F Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) |  |  |  |  |  |  | 3,033 |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  |  | 1,648 |  |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ / shares |  |  | $ 68.4 |  | $ 11.17 |  | $ 11.17 | $ 13.6 | $ 11.17 |  |
Preferred Stock, Convertible, Floor Price (in dollars per share) | $ / shares |  |  |  |  | $ 11.17 |  |  |  |  | $ 11.17 |
Private Placement [Member] | Series F Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 6,550 |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  | $ 0.0001 |  |  |  |  |  |  |  |
Conversion of Series F Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Issued (in shares) |  |  |  |  | 641,592 | 90,056 | 288,968 | 352,624 | 641,592 |  |
Conversion of Stock, Shares Converted (in shares) |  |  |  |  | 0 | 922 |  |  |  |  |
Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercised (in shares) |  |  |  |  | 10,000 | 0 |  |  |  |  |
Class of Warrant or Right, Issued (in shares) |  |  |  |  |  |  | 24,104 |  |  |  |
Proceeds From Warrant Exercises, Net | $ |  |  |  |  | $ 31,000 | $ 0 |  |  |  |  |
Preferred Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercised (in shares) |  |  |  |  | 0 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  | 32,750 |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  | $ 975 |  |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) |  |  |  |  | 3 years |  |  |  |  |  |
Class of Warrant or Right, Outstanding (in shares) |  |  |  |  | 31,102 |  |  |  |  |  |
Investor Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  | 95,764 |  |  |  |  |  |  |  |
Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  | 7,663 |  |  |  |  |  |  |  | 103,427
Class of Warrant or Right, Cash Fee, Percentage of Proceeds |  |  | 8.00% |  |  |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 68.4
Class of Warrant or Right, Beneficial Ownership Percentage |  |  |  |  |  |  |  |  |  |  | 4.99%
Class of Warrant or Right, Outstanding (in shares) |  | 153,470 |  |  |  |  |  |  |  |  |
Warrant Adjustment, Deemed Dividend | $ |  |  |  |  | $ 539,000 |  |  |  |  |  |
Placement Agent Warrants [Member] | Warrants Post Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  | $ 68.4 |  |  |  |  |  |
Class of Warrant or Right, Outstanding (in shares) | [1] |  |  |  | 7,663 |  |  |  |  |  |
Common Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Warrants Exercised (in shares) |  |  |  | 10,000 |  |  |  |  |  |  |
Class of Warrant or Right, Exercised (in shares) |  |  |  | 10,000 | 10,000 | 0 | 282,314 |  |  |  |
Class of Warrant or Right, Cash Fee, Percentage of Proceeds |  |  |  |  | 8.00% |  |  |  |  |  |
Class of Warrant or Right, Issued (in shares) |  |  |  |  |  |  | 24,104 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  | $ 3.41 |  | $ 3.41 | $ 69.03 | $ 3.41 |  |
Warrants and Rights Outstanding, Term (Year) |  |  |  |  |  |  | 5 years |  | 5 years |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights Exercised (in dollars per share) | $ / shares |  |  |  | $ 3.41 | $ 3.41 |  | $ 3.41 |  |  |  |
Class of Warrant or Right, Outstanding (in shares) |  | 2,401,047 |  |  | 2,262,203 |  | 2,272,203 | 103,453 | 2,272,203 |  |
Proceeds from Warrant Exercises | $ |  |  |  | $ 34,000 |  |  |  |  |  |  |
Proceeds From Warrant Exercises, Net | $ |  |  |  | $ 31,000 |  |  |  |  |  |  |
Class of Warrant or Right, Cash Fee | $ |  |  |  |  | $ 3,000 |  |  |  |  |  |
Common Warrants [Member] | Warrants Post Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 68.4 |  | $ 68.4 |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  | 40 |  |  |  |  |  |  |  |  |
[1] | Adjusted by the Reverse Split.

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