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Note 14 - Distribution Agreements (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Mar. 31, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Revenue from Contract with Customer, Including Assessed Tax $ 2,441,000   $ 2,481,000   $ 7,472,000 $ 8,354,000  
Contract with Customer, Liability 751,000       751,000   $ 728,000
DERMAdoctor [Member] | Costco and Others [Member]              
Revenue from Contract with Customer, Including Assessed Tax 153,000   $ 232,000   385,000 519  
Contract with Customer, Liability $ 800,000       800,000   $ 700,000
Avenova Direct [Member]              
Revenue from Contract with Customer, Including Assessed Tax   $ 1,800,000   $ 1,600,000 $ 5,400,000 $ 4,500,000