Consolidated Statements of Shareholders' Equity
Total
USD ($)
Total
CNY
Ordinary shares [Member]
USD ($)
Ordinary shares [Member]
CNY
High-vote ordinary shares [Member]
USD ($)
High-vote ordinary shares [Member]
CNY
Treasury stock [Member]
USD ($)
Treasury stock [Member]
CNY
Additional paid- in capital [Member]
USD ($)
Additional paid- in capital [Member]
CNY
Statutory reserves [Member]
USD ($)
Statutory reserves [Member]
CNY
Accumulated deficit [Member]
USD ($)
Accumulated deficit [Member]
CNY
Noncontrolling interest [Member]
USD ($)
Noncontrolling interest [Member]
CNY
Balance at Dec. 31, 2010   1,094,868,684   1,991,115   2,362,999   (96,152,839)   1,532,427,354   6,721,199   (172,481,144)     
Balance, shares at Dec. 31, 2010       24,735,401   28,550,704   (3,719,928)                
Net income/(loss)   39,270,319                            39,270,319     
Statutory reserves                            7,885,227   (7,885,227)     
Exercise of stock options   34,773,364   129,259        13,083,254   21,698,670        (137,819)     
Exercise of stock options, shares       2,490,159        506,122                
Vesting of performance units   47,743             7,575,342   (607,576)        (6,920,023)     
Vesting of performance units, shares       293,050        293,050                
Issuance of new shares to TCH Sapphire, net of offering expenses   548,738,742   392,584   327,951        548,018,207               
Issuance of new shares to TCH Sapphire, net of offering expenses, shares       6,031,500   5,038,500                    
Issuance of new shares to Expedia Asia Pacific, net of offering expenses   267,906,836   351,513             267,555,323               
Issuance of new shares to Expedia Asia Pacific, net of offering expenses, shares       5,400,500                          
Share-based compensation cost   20,377,087                  20,377,087               
Balance at Dec. 31, 2011   2,005,982,775   2,864,471   2,690,950   (75,494,243)   2,209,469,065   14,606,426   (148,153,894)     
Balance, shares at Dec. 31, 2011       38,950,610   33,589,204   (2,920,756)                
Net income/(loss)   471,278                            471,278     
Statutory reserves                            802,281   (802,281)     
Exercise of stock options   14,032,122             13,095,145   1,307,262        (370,285)     
Exercise of stock options, shares       506,582        506,582                
Vesting of performance units   31,082             5,045,041   (1,307,262)        (3,706,697)     
Vesting of performance units, shares       195,166        195,166                
Share-based compensation cost   29,107,731                  29,107,731               
Repurchase of ordinary shares   (12,750,725)             (12,750,725)                    
Repurchase of ordinary shares, shares                 (316,466)                
Balance at Dec. 31, 2012   2,036,874,263   2,864,471   2,690,950   (70,104,782)   2,238,576,796   15,408,707   (152,561,879)     
Balance, shares at Dec. 31, 2012       39,652,358   33,589,204   (2,535,474)                
Net income/(loss) (27,785,568) (168,205,494)                            (167,730,074)   (475,420)
Statutory reserves                            4,715,975   (4,715,975)     
Exercise of stock options   23,612,000             20,536,636   3,220,263        (144,879)     
Exercise of stock options, shares       794,454        794,454                
Vesting of performance units   231,823             18,638,625   (2,664,446)        (15,742,356)     
Vesting of performance units, shares       719,902        719,902                
Acquisition of 2013 Acquired Company (note 3)   16,734,018                                 16,734,018
Equity issuance of subsidiaries   2,837,650                                 2,837,650
Share-based compensation cost   59,000,006                  59,000,006               
Balance at Dec. 31, 2013 $ 325,599,928 1,971,084,286 $ 473,177 2,864,471 $ 444,513 2,690,950 $ (5,109,193) (30,929,521) $ 379,624,464 2,298,132,619 $ 3,324,361 20,124,682 $ (56,311,869) (340,895,163) $ 3,154,475 19,096,248
Balance, shares at Dec. 31, 2013     41,166,714   33,589,204   (1,021,118)