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Income Taxes (Schedule of Reconciliation between Effective Income Tax Rate and PRC Statutory Income tax Rate) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation between the statutory EIT rate and the effective tax rate
PRC Statutory income tax rates (as a percent)	25.00%	25.00%	25.00%
Change in valuation allowance (as a percent)	(22.50%)	(22.40%)	(20.10%)
Permanent book - tax difference (as a percent)	(0.10%)	(12.10%)	(4.90%)
Difference in EIT rates of certain subsidiaries (as a percent)	(3.10%)	0.00%	0.00%
Effect of tax holiday (as a percent)	0.70%	9.50%
Total (as a percent)	0.00%	0.00%	0.00%

X

- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to earned income tax rates of subsidiaries.

+ References

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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