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Note 14 - Net Income Per Share | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Earnings Per Share [Text Block] |
NOTE 14. | Net Income Per Share
The computations for basic and diluted net income per share are as follows:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (in thousands, except per share data) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 70,960 |  |  | $ | 91,572 |  |  | $ | 69,336 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares |  |  | 39,030 |  |  |  | 39,167 |  |  |  | 39,075 |
Effect of potentially dilutive shares: |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 863 |  |  |  | 1,262 |  |  |  | 1,806 |
Restricted stock units |  |  | 224 |  |  |  | 311 |  |  |  | 403 |
Employee stock purchase plan |  |  | 1 |  |  |  | — |  |  |  | — |
Diluted weighted average shares |  | $ | 40,118 |  |  | $ | 40,740 |  |  | $ | 41,284 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.82 |  |  | $ | 2.34 |  |  | $ | 1.77 |
Diluted |  | $ | 1.77 |  |  | $ | 2.25 |  |  | $ | 1.68 |
Potentially dilutive shares not included in the calculation of diluted net income per share because doing so would be anti-dilutive are as follows:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (in thousands) |
Stock options |  |  | 534 |  |  |  | 532 |  |  |  | 460 |
Restricted stock units |  |  | 61 |  |  |  | 52 |  |  |  | 52 |
Total anti-dilutive shares |  |  | 595 |  |  |  | 584 |  |  |  | 512 |

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