XML 107 R49.htm IDEA: XBRL DOCUMENT v2.4.1.9
Accounts Receivable, Net - Additional Information (Detail)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2014
CNY
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Dec. 31, 2014
General and Administrative Expenses [Member]
USD ($)
Dec. 31, 2014
General and Administrative Expenses [Member]
CNY
Dec. 31, 2013
General and Administrative Expenses [Member]
CNY
Dec. 31, 2012
General and Administrative Expenses [Member]
CNY
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Additions to allowance for doubtful accounts $ 7us-gaap_ProvisionForDoubtfulAccounts 42us-gaap_ProvisionForDoubtfulAccounts 251us-gaap_ProvisionForDoubtfulAccounts 790us-gaap_ProvisionForDoubtfulAccounts $ 7us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember		 42us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember		 251us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember		 790us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember