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Note 8 - Marketable Securities (Tables)
12 Months Ended
Dec. 31, 2024
Statement Line Items [Line Items]  
Disclosure of investments other than investments accounted for using equity method [text block]
  

Total

 

Balance at December 31, 2022

 $582 

Additions

  1,619 

Sale of marketable securities

  (381)

Realized gain on disposition

  293 

Unrealized net loss

  (947)

Balance at December 31, 2023

 $1,166 

Additions

  1,300 

Sale of marketable securities

  (481)

Realized loss on disposition

  (60)

Unrealized net gain

  433 

Balance at December 31, 2024

 $2,358