v3.25.1

Note 19 - Subsequent Events (Details Textual) | Mar. 03, 2025 $ / shares | Feb. 21, 2025 USD ($) | Jan. 27, 2025 USD ($) | Dec. 05, 2024 USD ($) | Oct. 30, 2024 USD ($) | Sep. 11, 2024 USD ($) | Jul. 26, 2024 USD ($) | May 11, 2023 | Mar. 27, 2025 USD ($) | Jan. 28, 2025 USD ($) | Dec. 31, 2024 $ / shares | Nov. 26, 2024 USD ($) | Jul. 29, 2024 USD ($) | Apr. 23, 2024 USD ($) | Dec. 31, 2023 $ / shares
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  | $ 0.0001
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 11 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Madryn Noteholders [Member] | Bridge Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maximum Additional Principal |  |  |  |  |  |  |  |  |  |  |  | $ 6,000,000 | $ 3,000,000 | $ 2,762,000 |
Proceeds from Issuance of Debt |  |  |  | $ 1,500,000 | $ 1,000,000 | $ 1,000,000 | $ 1,000,000 |  |  |  |  |  |  |  |
Madryn Noteholders [Member] | Bridge Financing [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maximum Additional Principal |  |  |  |  |  |  |  |  | $ 21,000,000 | $ 11,000,000 |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 2,000,000 | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase (Decrease), Net |  | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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