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Note 3 - Net Income Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |
|  | March 31, |
(in thousands, except share and per share amounts) |  | 2021 |  |  | 2020 |
Net income |  | $ | 3,712 |  |  | $ | 13,984 |
Basic - weighted-average shares outstanding: |  |  | 27,464,136 |  |  |  | 26,776,806 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Employee stock options and other |  |  | 234,059 |  |  |  | 152,834 |
Diluted - weighted-average shares outstanding: |  |  | 27,698,195 |  |  |  | 26,929,640 |
Net income per share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.14 |  |  | $ | 0.52 |
Diluted |  | $ | 0.13 |  |  | $ | 0.52 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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