Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Components of Profit (Loss) from Operations Before Income Tax

The components of profit (loss) from operations before income tax are as follows:

	Year ended December 31,
	2012		2013		2014			2014
	Rmb		Rmb		Rmb			US$
The PRC		—		—		—			—
All other jurisdictions		2,931		9,938		(2,490	)		(402	)
		2,931		9,938		(2,490	)		(402	)

Income tax expense consists of:

	Year ended December 31,
	2012		2013		2014		2014
	Rmb		Rmb		Rmb		US$
Current		—		—		—		—
Deferred		—		—		—		—
		—		—		—		—

Schedule of Tax Impact on Deferred Tax Asset and Liability

The tax impact of temporary differences gives rise to the following deferred tax asset and liability:

	2013			2014			2014
	Rmb			Rmb			US$
Current deferred tax asset:
Tax losses		20,502			21,230			3,422
Valuation allowances		(20,502	)		(21,230	)		(3,422	)
		—			—			—

Schedule of Movement in Valuation Allowance

Movement in valuation allowance:

	2013			2014		2014
	Rmb			Rmb		US$
At the beginning of the year		21,949			20,502		3,304
Current year movement		(1,447	)		728		118
At the end of the year		20,502			21,230		3,422

Reconciliation of Effective Income Tax Rate Based on Profit (Loss) from Operations before Income Taxes to Statutory Income Tax Rates

The reconciliation of the effective income tax rate based on profit (loss) from operations before income taxes to the statutory income tax rates in Hong Kong is as follows:

	Year ended December 31,
	2012			2013			2014
Profits tax rate in Hong Kong		16.5	%		16.5	%		16.5	%
Permanent differences relating to non-taxable income and non-deductible expenses		(24.3	%)		(5.4	%)		1.7	%
Change in valuation allowance		7.8	%		(11.1	%)		(18.2	%)
Effective tax rate		—			—			—