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Note 4 - Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

June 30,

   

December 31,

 
   

2024

   

2023

 

Prepaid insurance

  $ 94     $ 66  

Prepaid dues and subscriptions

    60       85  

Prepaid taxes

    7       83  

Prepaid inventory

          73  

Other

    94       81  

Prepaid expenses from discontinued operations

          (132 )

Total prepaid expenses and other current assets

  $ 255     $ 256