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Note 1 - Organization (Details Textual) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 30, 2024 | Mar. 25, 2024 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023
Number of Reportable Segments |  |  |  |  |  | 1 |  | 2
Proceeds from Divestiture of Businesses |  |  |  |  |  | $ 1,070 | $ 0 |
Gain (Loss) on Disposition of Business |  |  | $ (0) |  | $ (0) | $ (865) | $ (0) |
Discontinued Operations, Disposed of by Sale [Member] | DERMAdoctor [Member] |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 1,100 |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  | $ (900) |  |  |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 35 |  | 35 |  |  |  |  |

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