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Net Income (Loss) Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Calculation of Basic Net Income (Loss) Per Share | The following table presents the calculation of basic net income (loss) per share for periods presented: (in thousands, except per share data):
| Three Months ended March 31, 2015 |  |  | Three Months ended March 31, 2014 |
Numerator for basic and diluted net income (loss) per share: |  |  |  |  |  |  |
Net income (loss) | $ | 5,501 |  |  | $ | (3,380 | )
Preferred deemed dividend |  | — |  |  |  | (9,455 | )
Series B preferred stock dividends |  | (4,248 | ) |  |  | — |
Net income (loss) attributable to common shareholders | $ | 1,253 |  |  | $ | (12,835 | )
Denominator for basic net income (loss) per share: |  |  |  |  |  |  |
Weighted-average shares outstanding |  | 202,343,245 |  |  |  | 201,978,462 |
Weighted-average unvested restricted shares outstanding |  | (1,196,680 | ) |  |  | (1,504,392 | )
Denominator for basic net income (loss) per share: |  | 201,146,565 |  |  |  | 200,474,070 |
Basic net income (loss) per share attributable to common shareholders | $ | 0.01 |  |  | $ | (0.06 | )
Calculation of Diluted Net Income (Loss) Per Share | The following table presents the calculation of diluted net income (loss) per share for periods presented: (in thousands, except per share data):
| Three Months ended March 31, 2015 |  |  | Three Months ended March 31, 2014 |
Numerator for basic and diluted net income (loss) per share: |  |  |  |  |  |  |
Net income (loss) | $ | 5,501 |  |  | $ | (3,380 | )
Preferred deemed dividend |  | — |  |  |  | (9,455 | )
Series B preferred stock dividends |  | (4,248 | ) |  |  | — |
Net income (loss) attributable to common shareholders | $ | 1,253 |  |  | $ | (12,835 | )
Denominator for diluted net income (loss) per share: |  |  |  |  |  |  |
Weighted-average shares outstanding |  | 202,343,245 |  |  |  | 201,978,462 |
Weighted-average unvested restricted shares outstanding |  | (1,196,680 | ) |  |  | (1,504,392 | )
Effect of dilutive potential shares * |  | 301,292,296 |  |  |  | — |
Denominator for diluted net income (loss) per share: |  | 502,438,861 |  |  |  | 200,474,070 |
Diluted net income (loss) per share attributable to common shareholders | $ | 0.00 |  |  | $ | (0.06 | )
*There were no dilutive effects from any equity instruments for periods presented which did not have net income, therefore diluted net income (loss) per share was the same as basic net income (loss) for periods presented which reflect a net loss.

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- Definition Tabular disclosure of the effect of income (loss) on basic earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 + Details
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- Definition Tabular disclosure of the effect of income (loss) on an entity's diluted earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1311-109256 + Details
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