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Note 5 - Net Loss Per Common Share - Calculation of Net Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Loss from continuing operations $ (1,222) $ (3,091)
Loss from discontinued operations, net of tax 0 (687)
Net loss and comprehensive loss $ (1,222) $ (3,778)
Basic and diluted (in shares) 26,354 25,261
Loss from continuing operations, basic and diluted (in dollars per share) $ (0.05) $ (0.12)
Loss from discontinued operations, basic and diluted (in dollars per share) 0 (0.03)
Net loss per share (in dollars per share) $ (0.05) $ (0.15)