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Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

As of

 
  

September 30, 2025

  

December 31, 2024

 

Cash and cash equivalents

 $5,584  $898 

Restricted cash included in other current assets

  2   31 

Restricted cash included in other assets

  2,966   2,902 

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

 $8,552  $3,831