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Note 3 - 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 insurance

 $671  $1,012 

Prepaid supplier expenses

  196   132 

Other receivables

  275   159 

Deposits

  143   237 

Other

  157   137 

Total prepaid expenses and other current assets

 $1,442  $1,677