INCOME TAXES - Additional Information (Detail)				9 Months Ended				12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended
	Sep. 30, 2012 USD ($) Entity	Sep. 30, 2012 CNY	Dec. 31, 2011 Entity	Sep. 30, 2012 CHINA USD ($)	Sep. 30, 2012 CHINA CNY	Sep. 30, 2012 CHINA Related Party Transactions	Sep. 30, 2012 CHINA Danyang Lihua Electron Co., Ltd.	Dec. 31, 2011 CHINA Danyang Lihua Electron Co., Ltd.	Sep. 30, 2012 CHINA Jiangsu Lihua Copper Industry Co., Ltd.	Dec. 31, 2011 CHINA Jiangsu Lihua Copper Industry Co., Ltd.	Sep. 30, 2012 US USD ($)	Dec. 31, 2011 US USD ($)	Sep. 30, 2012 US Maximum
Income Taxes [Line Items]
Enterprise income tax rate							25.00%	25.00%	25.00%	25.00%
Number of operating subsidiaries	2	2	2
Withholding income tax rate for dividends distributed by a foreign invested enterprise to its immediate holding company				10.00%	10.00%
Undistributed earnings of PRC subsidiaries	$ 189,122,140	1,199,223,491
Net operating loss carry forwards											$ 13,144,800	$ 10,679,801
Operating loss carryforwards expiration year													2030
Statute of limitations period if the underpayment of taxes is due to computational errors				3 years	3 years	10 years
Statute of limitations period if the underpayment of taxes is due to computational errors, special circumstance				5 years	5 years