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Note 4 - Prepaid Expenses and Other Current Assets (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

March 31,

  

December 31,

 
  

2024

  

2023

 

Prepaid dues and subscriptions

 $89  $85 

Prepaid taxes

  68   83 

Prepaid inventory

  4   73 

Prepaid insurance

  114   66 

Other

  96   81 

Prepaid expenses from discontinued operations

     (132)

Total prepaid expenses and other current assets

 $371  $256