Quarterly report pursuant to Section 13 or 15(d)

Bank Loans (Details)

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Bank Loans (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Short-term Debt [Line Items]    
Short-term bank loans $ 31,500,000 $ 30,353,890
China Development Bank [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1] $ 5,000,000 5,000,000
China Development Bank One [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1]   3,185,980
China Development Bank Two [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1] $ 9,500,000 9,500,000
China Development Bank Three [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1] 5,000,000 5,000,000
China Development Bank Four [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1] $ 5,000,000 5,000,000
Industrial and Commercial Bank of China [Member]    
Short-term Debt [Line Items]    
Short-term bank loans   1,640,693
Industrial and Commercial Bank of China One [Member]    
Short-term Debt [Line Items]    
Short-term bank loans   $ 1,027,217
China Development Bank Five [Member]    
Short-term Debt [Line Items]    
Short-term bank loans [1] $ 7,000,000  
[1] Represents six-month LIBOR rate on the loan commencement date.