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Summarized Quarterly Data (Tables) | 12 Months Ended
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Dec. 31, 2012
Summarized Quarterly Data [Abstract] |
Schedule of Quarterly Financial Information |
Amounts in thousands except per share information | 1st Quarter | 2nd Quarter | 3rd Quarter | 4th Quarter
Year ended December 31, 2012 |  |  |  |
Net operating revenue | $ 17,569 | $ 17,791 | $ 18,723 | $ 17,745
Earnings from operations | $ 1,572 | $ 1,695 | $ 1,615 | $ 894
Net earnings | $ 1,133 | $ 1,148 | $ 1,186 | $ 624
Basic earnings per share: |  |  |  |
Net earnings | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.03
Diluted earnings per share: |  |  |  |
Net earnings | $ 0.05 | $ 0.05 | $ 0.05 | $ 0.03
Year ended December 31, 2011 |  |  |  |
Net operating revenue | $ 17,115 | $ 18,002 | $ 18,146 | $ 17,603
Earnings from operations | $ 756 | $ 977 | $ 1,548 | $ 984
Net earnings | $ 364 | $ 644 | $ 1,423 | $ 590
Basic earnings per share: |  |  |  |
Net earnings | $ 0.02 | $ 0.03 | $ 0.06 | $ 0.03
Diluted earnings per share: |  |  |  |
Net earnings | $ 0.02 | $ 0.03 | $ 0.06 | $ 0.03

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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=20225539&loc=d3e1280-108306 + Details
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