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CONSOLIDATED BALANCE SHEETS (Parenthetical) ¥ in Thousands, $ in Thousands | Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2015 CNY (¥) shares | Dec. 31, 2014 CNY (¥) shares
--- | --- | --- | ---
Allowance for doubtful accounts | $ 2,716 | ¥ 17,592 | ¥ 3,230
Current liabilities of the VIEs and VIE's subsidiaries without recourse to the Company | 263,776 | 1,708,687 | 621,656
Non-current liabilities of the VIEs and VIE's subsidiaries without recourse to the Company | $ 28,687 | ¥ 185,832 | ¥ 96,650
Class A Ordinary shares |  |  |
Ordinary shares, par value (in dollars per share) | $ / shares | $ 0.000025 |  |
Ordinary shares, shares authorized | 7,600,000,000 | 7,600,000,000 | 7,600,000,000
Ordinary shares, shares issued | 365,961,759 | 365,961,759 | 288,988,560
Ordinary shares, shares outstanding | 350,398,737 | 350,398,737 | 260,045,912
Class B Ordinary shares |  |  |
Ordinary shares, par value (in dollars per share) | $ / shares | $ 0.000025 |  |
Ordinary shares, shares authorized | 1,400,000,000 | 1,400,000,000 | 1,400,000,000
Ordinary shares, shares issued | 1,058,514,152 | 1,058,514,152 | 1,127,614,152
Ordinary shares, shares outstanding | 1,035,037,339 | 1,035,037,339 | 1,095,456,652
VIEs |  |  |
Current liabilities of the VIEs and VIE's subsidiaries without recourse to the Company | $ 42,818 | ¥ 277,364 | ¥ 179,313
Non-current liabilities of the VIEs and VIE's subsidiaries without recourse to the Company | $ 333 | ¥ 2,160 | ¥ 2,828

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