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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) In Thousands, except Share data, unless otherwise specified | Sep. 30, 2014 Class A Ordinary Shares [Member] USD ($) | Dec. 31, 2013 Class A Ordinary Shares [Member] USD ($) | Dec. 31, 2012 Class A Ordinary Shares [Member] | Sep. 30, 2014 Class B Ordinary Shares [Member] USD ($) | Dec. 31, 2013 Class B Ordinary Shares [Member] USD ($) | Dec. 31, 2012 Class B Ordinary Shares [Member] | Sep. 30, 2014 Consolidated VIEs [Member] USD ($) | Sep. 30, 2014 Consolidated VIEs [Member] CNY | Dec. 31, 2013 Consolidated VIEs [Member] USD ($) | Dec. 31, 2013 Consolidated VIEs [Member] CNY | Dec. 31, 2012 Consolidated VIEs [Member] CNY
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Short-term debt |  |  |  |  |  |  |  |  |  |  |
Accrued expenses and other payables |  |  |  |  |  |  | 34,606 | 212,413 | 40,887 | 247,516 | 160,175
Deferred revenue |  |  |  |  |  |  | 42,481 | 260,747 | 35,611 | 215,580 | 94,392
Income tax payable |  |  |  |  |  |  |  |  | 1,700 | 10,291 |
Due to related parties |  |  |  |  |  |  |  |  |  |  |
Payable for repurchase of common stock |  |  |  |  |  |  |  |  |  |  |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  | 77,087 | 473,160 | 78,198 | 473,387 | 254,567
Other liabilities |  |  |  |  |  |  | 3,625 | 22,253 | 3,676 | 22,253 | 10,852
Deferred tax liabilities |  |  |  |  |  |  | 1,623 | 9,962 | 1,787 | 10,816 | 12,181
Total non-current liabilities |  |  |  |  |  |  | 5,248 | 32,215 | 5,463 | 33,069 | 23,033
Total liabilities |  |  |  |  |  |  | $ 82,335 | 505,375 | $ 83,661 | 506,456 | 277,600
Ordinary shares, par value | $ 0.01 | $ 0.01 |  | $ 0.01 | $ 0.01 |  |  |  |  |  |
Ordinary shares, shares authorized | 99,931,211,060 | 99,931,211,060 |  | 68,788,940 | 68,788,940 |  |  |  |  |  |
Ordinary shares, shares issued | 39,335,859 | 36,347,496 |  | 68,788,940 | 68,788,940 |  |  |  |  |  |
Ordinary shares, Shares outstanding | 39,335,859 | 36,347,496 |  | 68,788,940 | 68,788,940 |  |  |  |  |  |

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