PREPAID LAND USE RIGHTS - Additional Information (Detail)	12 Months Ended				12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 CNY	Dec. 31, 2012 Land use rights USD ($)	Dec. 31, 2011 Land use rights USD ($)	Dec. 31, 2010 Land use rights USD ($)	Dec. 31, 2012 Land use rights Jiangsu Lihua Copper Industry Co., Ltd. USD ($)	Dec. 31, 2012 Land use rights Jiangsu Lihua Copper Industry Co., Ltd. CNY
Finite-Lived Intangible Assets [Line Items]
Land use rights, useful life					50 years	50 years
Amortization expense	$ 644	$ 3,595	$ 3,154		$ 404,207	$ 395,052	$ 206,912
Estimated expense of the prepaid land use rights , year one					405,944
Estimated expense of the prepaid land use rights , year two					405,944
Estimated expense of the prepaid land use rights , year three					405,944
Estimated expense of the prepaid land use rights , year four					405,944
Estimated expense of the prepaid land use rights , year five					405,944
Estimated expense of the prepaid land use rights , thereafter					405,944
Payments made to acquire land use rights	0	0	9,938,585					5,154,578	32,399,100
Unpaid amount of land use right	381,688			2,399,100
Land use right compensation paid to local communities	$ 5,772,149
Land allocated to the Company, certified	100
Land use right area certificate date	2011-11
Land allocated to company	180
Land allocated to the company, not certified	80