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Note 7 - Earnings Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Common stock equivalents related to stock options that were anti-dilutive and excluded from diluted net income per share (in shares) 206 59
Higher Than Average Market Price [Member]    
Common stock equivalents related to stock options that were anti-dilutive and excluded from diluted net income per share (in shares) 0 51