28. Related Party Transactions (Detail) - Table of Payables and Receivables with Related Companies (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Due from Related Companies	$ 1,861,596		$ 1,842,755
Less: Allowance for doubtful debts	(1,861,596)		(1,842,755)
Due to Related Companies	55,276		86,213
Tangshan Feihe Trading Company [Member]
Due from Related Companies	1,833,542		1,814,985
Qinhuangdao Feihe Trading Company [Member]
Due from Related Companies	28,054		27,770
Dalian Hewang Trading Company [Member]
Due to Related Companies	3,804	[1]	3,593	[1]
Related Companies [Member]
Due to Related Companies	$ 3,804		$ 3,593

[1] A company managed by the management of the Company's subsidiary.