DESCRIPTION OF BUSINESS AND ORGANIZATION - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended												12 Months Ended							1 Months Ended	12 Months Ended
	Mar. 07, 2009	Oct. 31, 2008	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Feb. 14, 2011	Jun. 30, 2008	Oct. 22, 2008 Mr. Zhu	Dec. 31, 2010 Mr. Zhu	Dec. 31, 2009 Mr. Zhu	Dec. 31, 2008 Mr. Zhu	Dec. 31, 2012 Danyang Special Electronics Co Ltd Mr. Zhu	Dec. 31, 2012 Danyang Special Electronics Co Ltd Mr. Zhu Wife	Dec. 31, 2012 Invest Unicorn Holdings Limited Mr. Zhu	Oct. 31, 2008 Magnify Wealth
Organization and Principal Activities [Line Items]
Number of operating subsidiaries			2												2
Shares issue in share repurchase agreement		14,025,000
Par value of common stock issued			$ 0.0001				$ 0.0001								$ 0.0001	$ 0.0001													$ 0.0001
Equity interest Percentage																					100.00%					60.00%	40.00%	100.00%
Option to purchase ordinary shares under share transfer agreement																						3,000
Nominal price per share under share transfer agreement																						$ 1.00
Net income performance targets																							$ 14,000,000	$ 11,000,000	$ 8,000,000
Percentage of option shares vest on attainment of performance targets																	50.00%	25.00%	25.00%
Amended share transfer agreement description	Under the amended agreement, as long as the audited consolidated net income of Lihua Electron and Lihua Copper for fiscal 2008 was 10% or more higher than the 2008 Target ("Alternate Performance Target") regardless of whether the performance targets for 2009 and 2010 were met or not, the Option Shares would vest and become exercisable.
Net income (loss)			$ 15,793,687	$ 17,226,638	$ 13,446,666	$ 11,475,012	$ 12,727,388	$ 13,528,083	$ 14,366,076	$ 12,511,986	$ 9,855,420	$ 9,855,705	$ 9,898,292	$ 8,856,558	$ 57,942,003	$ 53,133,533	$ 38,465,975		$ 11,701,879
Percentage Of Option Shares Exercisable																				100.00%