Short-Term Bank Loans (Details Textual)	Jun. 30, 2012	Dec. 31, 2011
Agricultural and Commercial Bank, Loan due on March 30, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage		7.88%
China Merchants Bank, Loan due on May 20, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	6.73%	6.73%
China Merchants Bank, Loan due on November 17, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	130.00%
Agricultural and Commercial Bank, Loan due on October 10, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	5.75%	5.75%
Bank of Communications, Loan due on May 14, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	120.00%
Bank of Communications, Loan due on November 14, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	7.32%
Bank of Communications, Loan due on May 23, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	120.00%
Bank of Communications, Loan due on November 21, 2012 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	7.32%
Bank of China, Loan due on January 16, 2013 [Member]
Short-term bank loans (Textual)
Short-term loan, interest rate, stated percentage	7.35%