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Components of Income Tax Expense (Detail) (USD $)	12 Months Ended
Components of Income Tax Expense (Detail) (USD $)	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Income Taxes [Line Items]
Current tax (benefit) expense	$ 63,580	$ (3,769,418)	$ (2,183,238)
Deferred tax expense (benefit)	(1,205,892)	2,557,055	753,317
Total income tax benefit	$ (1,142,312)	$ (1,212,363)	$ (1,429,921)

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.