Summary of Significant Accounting Policies (Details 5) ¥ in Thousands, $ in Thousands |
Dec. 31, 2015
USD ($)
|
Dec. 31, 2015
CNY (¥)
|
Dec. 31, 2014
CNY (¥)
|
|---|---|---|---|
| Net income per share and per American Depository Share ("ADS") | |||
| Number of American Depository Shares per ordinary share of the company | 0.667 | 0.667 | |
| Deferred tax assets and liabilities | |||
| Deferred tax assets | $ 1,226 | ¥ 7,940 | ¥ 8,982 |
| Deferred tax liabilities | $ 1,457 | ¥ 9,441 | ¥ 6,517 |