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QUARTERLY FINANCIAL DATA - (UNAUDITED) (Tables) | 12 Months Ended
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Dec. 31, 2013
QUARTERLY FINANCIAL DATA - (UNAUDITED) |
Summary of the unaudited quarterly financial information | The following is a summary of the unaudited quarterly financial information for the two years ended December 31, 2013 and 2012 (in thousands, except per share amounts):
|  | Three Months Ended |
2013 |  | March 31 |  | June 30 |  | September 30 |  | December 31 |
Revenues |  | $ | 63,204 |  | $ | 31,487 |  | $ | 21,115 |  | $ | 18,728 |
Income (loss) from operations |  | 10,905 |  | (5,620 | ) | (5,827 | ) | (6,836 | )
Net income (loss) |  | 6,351 |  | (4,004 | ) | (3,952 | ) | (4,712 | )
Net income (loss) per share basic |  | 0.29 |  | (0.18 | ) | (0.18 | ) | (0.21 | )
Net income (loss) per share diluted |  | 0.29 |  | (0.18 | ) | (0.18 | ) | (0.21 | )
|  | Three Months Ended |
2012 |  | March 31 |  | June 30 |  | September 30 |  | December 31 |
Revenues |  | $ | 67,045 |  | $ | 30,384 |  | $ | 41,835 |  | $ | 57,053 |
Income (loss) from operations |  | 20,475 |  | (2,860 | ) | 2,096 |  | 7,069 |
Net 1ncome (loss) |  | 12,384 |  | (1,974 | ) | 1,112 |  | 4,150 |
Net income (loss) per share basic |  | 0.58 |  | (0.09 | ) | 0.05 |  | 0.19 |
Net income (loss) per share diluted |  | 0.57 |  | (0.09 | ) | 0.05 |  | 0.19 |

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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=25249566&loc=d3e1280-108306 + Details
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