Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Employee Share Option Activity Under Twenty Ten Plan

The following table summarizes the Company’s employee share option activity under the 2010 Plan:


	Number of options			Weighted average exercise price		Weighted average remaining contractual term		Aggregate intrinsic value
				(US$)		(Years)		(US$)
Outstanding, January 1, 2017		2,031,940			0.48		4.7
Exercised		(332,754	)		0.41

Outstanding, December 31, 2017		1,699,186			0.49		3.5		1,432

Vested and expected to vest at December 31, 2017		1,699,186			0.49		3.5		1,432

Exercisable as of December 31, 2017		1,699,186			0.49		3.5		1,432

Restricted Stock Units Activity

The following table summarizes the Company’s RSUs activity under the 2014 Plan:


	Number of RSUs			Weighted average grant date fair value		Weighted average remaining contractual life		Aggregate intrinsic value
				(US$)		(Years)		(US$)
Unvested, January 1, 2017		2,271,684			13.25		8.5
Granted		1,080,260			6.31
Vested		(1,762,733	)		10.35
Forfeited		(72,313	)		11.52

Unvested, December 31, 2017		1,516,898			11.76		7.9		12,105

Total Compensation Expense Recognized Relating to Options Granted to Employees

Total compensation expense relating to share options and RSUs granted to employees recognized for the years ended December 31, 2015, 2016 and 2017 is as follows:


	For the year ended December 31,
	2015		2016			2017
	RMB		RMB			RMB			US$
Cost of revenues		12,422		(4,110	)		(277	)		(43	)
Sales and marketing expenses		13,488		2,490			(681	)		(104	)
General and administrative expenses		153,814		123,273			47,945			7,369
Research and development expenses		10,303		(2,924	)		142			22

		190,027		118,729			47,129			7,244