20. Short Term Bank Loans (Detail) - Table of Short Term Bank Loans (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member] | January 30, 2013 [Member] | Pledge Rights [Member]
Short-Term Bank Loan, Interest Rate	5.60%
Short-Term Bank Loan, Due Date	Jan. 30, 2013
Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member] | November 18, 2013 [Member] | Land Use Rights [Member]
Short-Term Bank Loan, Interest Rate	6.00%
Short-Term Bank Loan, Due Date	Nov. 18, 2013
Short-Term Bank Loan, Collateral Carrying Amount (in Dollars)	15,963,500
Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member] | Current Ratio [Member] | Machinery and Equipment [Member] | January 25, 2012 [Member]
Short-Term Bank Loan, Description of Requirements		100%
Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member] | Debt-Equity Ratio [Member] | Machinery and Equipment [Member] | January 25, 2012 [Member]
Short-Term Bank Loan, Description of Requirements		70%
Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member] | Machinery and Equipment [Member] | January 25, 2012 [Member]
Short-Term Bank Loan, Interest Rate		5.81%
Short-Term Bank Loan, Due Date		Jan. 25, 2012
Qiqihaer Feihe Soybean Co., Limited (“Feihe Soybean”) [Member] | July 1, 2013 [Member] | Debt-Asset Ratio [Member] | Land Use Rights [Member]
Short-Term Bank Loan, Description of Requirements	70%
Qiqihaer Feihe Soybean Co., Limited (“Feihe Soybean”) [Member] | July 1, 2013 [Member] | Current Ratio [Member] | Land Use Rights [Member]
Short-Term Bank Loan, Description of Requirements	100%
Qiqihaer Feihe Soybean Co., Limited (“Feihe Soybean”) [Member] | July 1, 2013 [Member] | Quick Ratio [Member] | Land Use Rights [Member]
Short-Term Bank Loan, Description of Requirements	50%
Qiqihaer Feihe Soybean Co., Limited (“Feihe Soybean”) [Member] | July 1, 2013 [Member] | Land Use Rights [Member]
Short-Term Bank Loan, Interest Rate	6.94%
Short-Term Bank Loan, Due Date	Jul. 01, 2013
Short-Term Bank Loan, Collateral Carrying Amount (in Dollars)	1,440,633
Gannan Flying Crane Dairy Products Co., Limited (“Gannan Feihe”) [Member] | July 9, 2013 [Member] | Machinery and Equipment [Member]
Short-Term Bank Loan, Interest Rate	6.00%
Short-Term Bank Loan, Due Date	Jul. 09, 2013
Short-Term Bank Loan, Collateral Carrying Amount (in Dollars)	20,273,576
Gannan Flying Crane Dairy Products Co., Limited (“Gannan Feihe”) [Member] | Machinery and Equipment [Member]
Short-Term Bank Loan, Due Date	Dec. 23, 2013	Dec. 23, 2013
July 1, 2013 [Member] | Debt-Asset Ratio [Member]
Short-Term Bank Loan, Description of Requirements	70%
July 1, 2013 [Member] | Current Ratio [Member]
Short-Term Bank Loan, Description of Requirements	100%
July 1, 2013 [Member] | Quick Ratio [Member]
Short-Term Bank Loan, Description of Requirements	50%
July 1, 2013 [Member]
Short-Term Bank Loan, Interest Rate	6.94%
Short-Term Bank Loan, Due Date	Jul. 01, 2013
August 29, 2013 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate	6.30%
Short-Term Bank Loan, Due Date	Aug. 29, 2013
September 19, 2013 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate	6.30%
Short-Term Bank Loan, Due Date	Sep. 19, 2013
November 18, 2013 [Member]
Short-Term Bank Loan, Interest Rate	6.00%
Short-Term Bank Loan, Due Date	Nov. 18, 2013
December 5, 2013 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate	6.30%
Short-Term Bank Loan, Due Date	Dec. 05, 2013
December 3, 2013 [Member] | Debt-Asset Ratio [Member] | Loan A [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	70%
December 3, 2013 [Member] | Debt-Asset Ratio [Member] | Loan B [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	70%
December 3, 2013 [Member] | Current Ratio [Member] | Loan A [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	100%
December 3, 2013 [Member] | Current Ratio [Member] | Loan B [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	100%
December 3, 2013 [Member] | Long-Term Investment, Maximum of Net Assets [Member] | Loan A [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	40%
December 3, 2013 [Member] | Long-Term Investment, Maximum of Net Assets [Member] | Loan B [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements	40%
December 3, 2013 [Member] | Loan A [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate	6.12%
Short-Term Bank Loan, Due Date	Dec. 03, 2013
December 3, 2013 [Member] | Loan B [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate	6.12%
Short-Term Bank Loan, Due Date	Dec. 03, 2013
April 6, 2012 [Member] | Machinery and Equipment [Member]
Short-Term Bank Loan, Interest Rate		6.31%
Short-Term Bank Loan, Due Date		Apr. 06, 2012
August 30, 2012 [Member] | Current Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		120%
August 30, 2012 [Member] | Debt-Equity Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		60%
August 30, 2012 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate		6.89%
Short-Term Bank Loan, Due Date		Aug. 30, 2012
September 14, 2012 [Member] | Current Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		120%
September 14, 2012 [Member] | Debt-Equity Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		60%
September 14, 2012 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate		6.89%
Short-Term Bank Loan, Due Date		Sep. 14, 2012
November 23, 2012 [Member] | Land and Building [Member]
Short-Term Bank Loan, Interest Rate		6.56%
Short-Term Bank Loan, Due Date		Nov. 23, 2012
December 21, 2012 [Member] | Current Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		100%
December 21, 2012 [Member] | Quick Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		50%
December 21, 2012 [Member] | Debt-Equity Ratio [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Description of Requirements		60%
December 21, 2012 [Member] | Heilongjiang Feihe Dairy Co., Limited (“Feihe Dairy”) [Member]
Short-Term Bank Loan, Interest Rate		6.89%
Short-Term Bank Loan, Due Date		Dec. 21, 2012
December 26, 2012 [Member] | Land and Building [Member]
Short-Term Bank Loan, Due Date		Dec. 26, 2012
December 26, 2012 [Member]
Short-Term Bank Loan, Due Date		Dec. 26, 2012
December 30, 2012 [Member] | Current Ratio [Member] | Other Property [Member]
Short-Term Bank Loan, Description of Requirements		100%
December 30, 2012 [Member] | Current Assets [Member] | Other Property [Member]
Short-Term Bank Loan, Description of Requirements		$1,270,224
December 30, 2012 [Member] | Net Assets [Member] | Other Property [Member]
Short-Term Bank Loan, Description of Requirements		$317,556
December 30, 2012 [Member] | Other Property [Member]
Short-Term Bank Loan, Due Date		Dec. 30, 2012
November 23, 2012 [Member]
Short-Term Bank Loan, Interest Rate		6.56%
Short-Term Bank Loan, Due Date		Nov. 23, 2012