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CASH, CASH EQUIVALENTS AND INVESTMENTS (Details 3) (USD $)
12 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2011
Dec. 31, 2010
ACELAND
Jun. 30, 2011
ACELAND
Dec. 31, 2012
ACELAND
Sep. 21, 2012
Beijing Bodashutong Technology
item
Dec. 31, 2011
Beijing Bodashutong Technology
Dec. 31, 2012
Beijing Bodashutong Technology
CASH, CASH EQUIVALENTS AND INVESTMENTS              
Payments to acquire interest in joint venture   $ 2,100,000          
Payments to acquire equity method investments           600,000  
Contribution of equity investment through a shareholder loan 7,119,000   7,100,000        
Equity method investment, ownership interest (as a percent)       35.00%     30.00%
Number of shareholders to whom the equity interest is transferred equally         3    
Equity interest transferred to three shareholders         $ 600,000