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Earnings per share (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Income / (loss) (numerator): |  |  |  |
Loss from continuing operations | $ (3,369) | $ 137 | $ (10,304) | $ (6,742)
Income from discontinued operations |  | 986 |  | 1,008
Noncontrolling interest | 4,212 | 4,664 | 7,832 | 5,559
Dividends on preferred shares | 4,669 |  | 7,790 |
Conversion of preferred units |  | 10,456 |  | 10,456
Net loss attributable to common shareholders | $ (12,250) | $ (13,997) | $ (25,926) | $ (21,749)
Weighted-average shares (denominator) | 185,515,651 | 95,971,706 | 185,510,004 | 72,234,717
Net loss per share- basic and diluted: |  |  |  |
Loss from continuing operations (in dollars per share) | $ (0.07) | $ (0.16) | $ (0.14) | $ (0.31)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share |  | $ 0.01 |  | $ 0.01
Net loss attributable to common shareholders per share - basic and diluted (in dollars per share) | $ (0.07) | $ (0.15) | $ (0.14) | $ (0.30)

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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