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Note 8 - Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Net income used in the computation of basic and diluted net income per share (in thousands) |  | $ | 2,781 |  |  | $ | 3,817 |  |  | $ | 5,157 |  |  | $ | 6,267 |
Weighted average shares outstanding - basic |  |  | 14,952,802 |  |  |  | 14,956,221 |  |  |  | 14,940,072 |  |  |  | 14,888,940 |
Common stock equivalents |  |  | 334,555 |  |  |  | 603,183 |  |  |  | 334,934 |  |  |  | 619,577 |
Weighted average shares outstanding - diluted |  |  | 15,287,357 |  |  |  | 15,559,404 |  |  |  | 15,275,006 |  |  |  | 15,508,517 |
Per Share Data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 0.19 |  |  | $ | 0.26 |  |  | $ | 0.35 |  |  | $ | 0.42 |
Diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 0.18 |  |  | $ | 0.25 |  |  | $ | 0.34 |  |  | $ | 0.40 |

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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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