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Note 7 - Earnings (Loss) Per Share - Schedule of Earnings (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Net loss attributable to stockholders $ (3,778) $ (6,556) $ (7,928) $ (14,132)
Weighted average shares outstanding - basic and diluted (in shares) 40,729 34,644 40,729 34,644
Basic and diluted (in dollars per share) $ (0.09) $ (0.19) $ (0.19) $ (0.41)
Share-Based Payment Arrangement, Option [Member]        
Anti-dilutive instruments (in shares) 8,581 8,430 8,581 8,430
Warrant [Member]        
Anti-dilutive instruments (in shares) 1,500 1,500 1,500 1,500