v2.4.0.6
Reconciliation of Carrying Amounts of Subsidiaries Consolidated by Group and Non Controlling Interests (Parenthetical) (Detail) (Shanghai Zhengduo Information Technology Co Ltd)
1 Months Ended
Jan. 31, 2011
USD ($)
Jan. 31, 2011
CNY
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