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Note 7 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
In Thousands |  | 2022 |  |  | 2021 |  |  | 2020 |
Weighted average common shares outstanding |  |  | 13,572 |  |  |  | 13,747 |  |  |  | 14,096 |
Dilutive effect of stock options and restricted stock units |  |  | 117 |  |  |  | 119 |  |  |  | 129 |
Weighted average common shares outstanding, assuming dilution |  |  | 13,689 |  |  |  | 13,866 |  |  |  | 14,225 |
Number of anti-dilutive stock options and unvested restricted stock units |  |  | - |  |  |  | - |  |  |  | 58 |

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