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Note 9 - Net Income (Loss) Per Share (Details Textual) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 8 18
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit (in dollars per share) $ 10.37  
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]    
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit (in dollars per share)   $ 10.37
Share-Based Payment Arrangement, Option [Member] | Maximum [Member]    
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit (in dollars per share)   $ 17.11
Restricted Stock, Performance-based Stock Units, and Deferred Stock Units [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 200 200