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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $)	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Income tax expenses from reclassification items securities, tax effects	$ 0	$ 0	$ 1,607
Net (loss)/income from discontinued operations, tax effects	0	0	81,391
Unrealized gains/ (loss) on available-for-sale securities
Accumulated other comprehensive income reclassifications for unrealized gains on available-for-sale securities	$ 0	$ 0	$ 4,822

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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