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Note 8 - Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Net income used in the computation of basic and diluted net income per share (in thousands) |  | $ | 3,921 |  |  | $ | 6,122 |  |  | $ | 9,078 |  |  | $ | 12,389 |
Weighted average shares outstanding - basic |  |  | 14,947,552 |  |  |  | 15,010,660 |  |  |  | 14,942,565 |  |  |  | 14,929,513 |
Dilutive common stock equivalents |  |  | 319,298 |  |  |  | 489,234 |  |  |  | 329,722 |  |  |  | 576,129 |
Weighted average shares outstanding - diluted |  |  | 15,266,850 |  |  |  | 15,499,894 |  |  |  | 15,272,287 |  |  |  | 15,505,642 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.26 |  |  | $ | 0.41 |  |  | $ | 0.61 |  |  | $ | 0.83 |
Diluted |  | $ | 0.26 |  |  | $ | 0.39 |  |  | $ | 0.59 |  |  | $ | 0.80 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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