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Note 10 - Basic and Diluted Net Loss per Common Share - Schedule of Earnings (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended 24 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2022
Net income (loss) $ (3,823) $ (936) $ (9,021) $ (9,021)
Weighted average number of common shares outstanding, basic and diluted (in shares) 25,895,086 25,645,366 25,145,657  
Net loss per share, basic and diluted (in dollars per share) $ (0.15) $ (0.04) $ (0.36)