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Reconciliation of Carrying Amounts of Subsidiaries Consolidated by Group and Non Controlling Interests (Parenthetical) (Detail) (Shanghai Zhengduo Information Technology Co Ltd)
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1 Months Ended | |
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Jan. 31, 2011
USD ($)
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Jan. 31, 2011
CNY
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| Noncontrolling Interest [Line Items] | ||
| Percentage of shareholding/ ownership purchased | 49.00% | 49.00% |
| Percentage of shareholding/ ownership previously owned | $ 556,000 | 3,500,000 |
| Adjustments to additional paid in capital | $ 254,000 | 1,600,000 |