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Note 6 - Accrued Liabilities (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

June 30,

   

December 31,

 
   

2025

   

2024

 

Avenova Asset working capital due to PRN

  $ 16     $  

Employee payroll and benefits

    592       360  

Taxes

    241        

Warrant repurchases

    5        

Professional services

    2       99  

Interest

    79       37  

Other

    85       85  

Total accrued liabilities

  $ 1,020     $ 581