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Note 18 - Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Quarterly Financial Information [Table Text Block] |
|  | December 31 |  |  | September 30 |  |  | June 30 |  |  | March 31 |
|  | (in thousands, except for per share data) |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  | $ | 90,621 |  |  | $ | 85,008 |  |  | $ | 84,223 |  |  | $ | 69,568 |
Gross profit |  |  | 25,736 |  |  |  | 20,494 |  |  |  | 21,347 |  |  |  | 16,944 |
Net income |  |  | 11,199 |  |  |  | 3,439 |  |  |  | 5,241 |  |  |  | 2,446 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.06 |  |  | $ | 0.33 |  |  | $ | 0.50 |  |  | $ | 0.23 |
Diluted |  |  | 1.04 |  |  |  | 0.32 |  |  |  | 0.49 |  |  |  | 0.23 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  | $ | 48,805 |  |  | $ | 49,064 |  |  | $ | 47,204 |  |  | $ | 44,746 |
Gross profit |  |  | 16,423 |  |  |  | 16,638 |  |  |  | 15,645 |  |  |  | 14,348 |
Net income |  |  | 2,817 |  |  |  | 4,741 |  |  |  | 4,071 |  |  |  | 4,438 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.27 |  |  | $ | 0.45 |  |  | $ | 0.39 |  |  | $ | 0.42 |
Diluted |  |  | 0.26 |  |  |  | 0.45 |  |  |  | 0.38 |  |  |  | 0.41 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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- References No definition available. + Details
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