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

December 31,

 
  

2024

  

2023

 
  

(in thousands)

 

Insurance

 $263  $8 

Prepaid contracts

  84   79 

Total prepaid expenses and other current assets

 $347  $87