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Discontinued operations (Details) (USD $)
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9 Months Ended | 12 Months Ended | |||
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Discontinued operations [Abstract] | |||||
| Revenues | $ 1,802,831 | $ 2,377,254 | $ 3,544,070 | $ 2,078,915 | $ 6,893,731 |
| Costs and expenses | 6,966,251 | 4,814,268 | 8,435,397 | 2,966,596 | 7,413,477 |
| Loss from discontinued operations | (5,163,420) | (2,437,014) | (4,891,327) | (887,681) | (519,746) |
| Loss from impairment charge | (5,133,552) | (304,858) | |||
| Net loss from discontinued operations | $ (5,163,420) | $ (2,437,014) | $ (10,024,879) | $ (887,681) | $ (824,604) |
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- Definition
The loss resulting from the write-down of an asset attributable to a discontinued operation. No definition available.
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- Details
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- Definition
Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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