CONDENSED FINANCIAL INFORMATION OF THE PARENT COMPANY (Details)
In Thousands, unless otherwise specified
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CNY
Dec. 31, 2012
USD ($)
Dec. 31, 2012
CNY
Dec. 31, 2011
CNY
Dec. 31, 2010
CNY
Dec. 31, 2013
Parent
USD ($)
Dec. 31, 2013
Parent
CNY
Dec. 31, 2012
Parent
USD ($)
Dec. 31, 2012
Parent
CNY
Dec. 31, 2011
Parent
CNY
Dec. 31, 2010
Parent
CNY
Current assets:                        
Cash and cash equivalents $ 55,849 338,092 $ 52,387 317,137 392,535 592,706 $ 19,431 117,626 $ 27,095 164,024 269,859 519,221
Restricted cash 9,911 60,000         9,911 60,000        
Prepaid expenses and other current assets 8,351 50,549   31,240     1,568 9,477   2,673    
Available-for-sale investments 4,070 24,636         4,070 24,636        
Total current assets 129,963 786,751   600,842     34,980 211,739   166,697    
Non-current assets:                        
Property and equipment, net             1,381 8,359   11,466    
Long term investments 3,543 21,450   15,136     2,287 13,847   9,033    
Available-for-sale investments 2,022 12,240   82,292           82,292    
Investments in subsidiaries             70,008 423,804   393,371    
Total non-current assets 62,841 380,417   300,048     73,676 446,010   496,162    
TOTAL ASSETS 192,804 1,167,168   900,890     108,656 657,749   662,859    
Current liabilities:                        
Accrued expenses and other payables 25,947 157,075   57,773     763 4,616   970    
Total current liabilities 84,560 511,908   235,641     763 4,616   970    
Total liabilities 84,911 514,035   239,001     763 4,616   970    
Shareholders' equity:                        
Ordinary shares (US$0.0001 par value; 1,000,000,000 and 1,000,000,000 shares authorized; 374,464,476 and 374,464,476 shares issued and outstanding as of December 31, 2012 and 2013, respectively) 47 282   275     47 282   275    
Additional paid-in capital 206,110 1,247,730   1,220,198     206,110 1,247,730   1,220,198    
Treasury stock (12,075) (73,101)   (73,101)     (12,075) (73,101)   (73,101)    
Statutory reserves 219 1,326   1,326     219 1,326   1,326    
Accumulated deficit (86,601) (524,261)   (490,032)     (86,601) (524,261)   (490,032)    
Accumulated other comprehensive income 193 1,157   3,223     193 1,157   3,223    
Total shareholders' equity 107,893 653,133   661,889 667,509 678,839 107,893 653,133   661,889    
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 192,804 1,167,168   900,890     $ 108,656 657,749   662,859