|
Discontinued operations (Details) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Discontinued operations [Abstract] | ||
| Revenues | $ 102,330 | $ 1,257,477 |
| Costs and expenses | 1,027,504 | 3,150,157 |
| Net loss from discontinued operations | $ (925,174) | $ (1,892,680) |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- 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
|
| X | ||||||||||
|
- 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
|