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Quarterly Financial Data (Unaudited) Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | The tables below set forth consolidated operating results by fiscal quarter for the years ended December 31, 2014 and 2015, in thousands, except earnings per share.
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
2015 |  |  |  |  |  |  |
Revenues | $ | 63,253 |  |  | $ | 59,261 |  |  | $ | 58,378 |  |  | $ | 61,610 |
Gross profit | 22,209 |  |  | 18,248 |  |  | 17,360 |  |  | 19,691 |
Net income from continuing operations | $ | 6,418 |  |  | $ | 4,557 |  |  | $ | 4,444 |  |  | $ | 5,434 |
Net income available to common stockholders | $ | 6,418 |  |  | $ | 4,557 |  |  | $ | 4,444 |  |  | $ | 5,434 |
Basic earnings per common share: | $ | 0.35 |  |  | $ | 0.25 |  |  | $ | 0.25 |  |  | $ | 0.32 |
Diluted earnings per common share: (a) | $ | 0.34 |  |  | $ | 0.24 |  |  | $ | 0.24 |  |  | $ | 0.31 |
2014 |  |  |  |  |  |  |
Revenues | $ | 55,652 |  |  | $ | 56,504 |  |  | $ | 54,549 |  |  | $ | 59,419 |
Gross profit | 18,015 |  |  | 17,989 |  |  | 15,077 |  |  | 18,927 |
Net income from continuing operations | $ | 1,631 |  |  | $ | 3,883 |  |  | $ | 4,565 |  |  | $ | 5,367 |
Net income (loss) from discontinued operations | 587 |  |  | (637 | ) |  | 431 |  |  | 11 |
Net income available to common stockholders | $ | 2,218 |  |  | $ | 3,246 |  |  | $ | 4,996 |  |  | $ | 5,378 |
Basic earnings per common share: | $ | 0.12 |  |  | $ | 0.18 |  |  | $ | 0.27 |  |  | $ | 0.29 |
Diluted earnings per common share: (a) | $ | 0.12 |  |  | $ | 0.17 |  |  | $ | 0.26 |  |  | $ | 0.29 |
(a) Earnings per share are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per share amounts, may not equal the total computed for 2014 and 2015 due to rounding.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and 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=51825399&loc=d3e1280-108306 + Details
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