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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) | Feb. 28, 2013 | Feb. 29, 2012
--- | --- | ---
Accounts payable | $ 2,009,473 | $ 2,863,596
Deferred revenue | 102,513,876 | 85,594,032
Accrued expenses and other current liabilities | 17,196,001 | 15,284,190
Income tax payable | 2,778,305 | 637,302
Deferred tax liabilities-non-current | 98,945 | 156,494
Variable Interest Entity |  |
Accounts payable | 1,739,337 | 1,993,297
Deferred revenue | 67,743,448 | 50,395,945
Accrued expenses and other current liabilities | 11,269,507 | 9,546,915
Income tax payable | 2,165,785 | 2,206,266
Deferred tax liabilities-non-current | $ 36,845 | $ 45,881
Class A Common shares |  |
Common shares, par value (in dollars per share) | $ 0.001 | $ 0.001
Common shares, shares authorized (in shares) | 500,000,000 | 500,000,000
Common shares, shares issued (in shares) | 68,314,150 | 45,277,044
Common shares, shares outstanding (in shares) | 68,314,150 | 45,277,044
Class B Common shares |  |
Common shares, par value (in dollars per share) | $ 0.001 | $ 0.001
Common shares, shares authorized (in shares) | 500,000,000 | 500,000,000
Common shares, shares issued (in shares) | 87,806,000 | 109,681,000
Common shares, shares outstanding (in shares) | 87,806,000 | 109,681,000

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