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Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

As of

 
  

December 31, 2024

  

December 31, 2023

 

Cash and cash equivalents

 $898  $2,667 

Restricted cash included in other current assets

  31   289 

Restricted cash included in other assets

  2,902   3,324 

Total cash, cash equivalents, and restricted cash shown in the statement of cash flows

 $3,831  $6,280