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Provision for Income Tax Expenses (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Taxes [Line Items]
Income tax expense - current	$ 176,787	$ 809,195	$ 375,010	$ 1,572,051
Income tax expense (benefit) - deferred	277,902	(25,494)	567,071	607,580
Total income tax expenses	$ 454,689	$ 783,701	$ 942,081	$ 2,179,631

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The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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