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Related Party Transactions - Additional Information (Detail) (USD $)	3 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Erdos Metallurgy Co.	Jun. 30, 2011 Erdos Metallurgy Co.	Jun. 30, 2012 Erdos Metallurgy Co.	Jun. 30, 2011 Erdos Metallurgy Co.	Dec. 31, 2011 Erdos Metallurgy Co.	Jun. 30, 2012 Management	Dec. 31, 2011 Management	Sep. 27, 2011 Sino Way Limited
Related Party Transaction [Line Items]
Advances from Related Parties			$ 443,728	$ 2,981,977	$ 478,861		$ 478,861		$ 2,941,043	$ 35,133	$ 40,934
Sales income for non-controlling interest	72,544	11,343,798			280,000	200,000	380,000	11,510,000
Interest income for non-controlling interest					$ 1,840,000	$ 1,850,000	$ 3,700,000	$ 3,250,000
Common Stock directly owned by Sino Way Limited												100,000

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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