CONSOLIDATED BALANCE SHEETS (Parenthetical)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 USD ($)	Dec. 31, 2014 VIEs [Member] USD ($)	Dec. 31, 2013 VIEs [Member] USD ($)
Accounts receivables, allowance	$ 316,966		$ 342,442
Accounts payable	31,599,317us-gaap_AccountsPayableCurrent		39,514,379us-gaap_AccountsPayableCurrent	31,546,430	39,488,204
Accrued expenses and other current liabilities	16,580,351		19,224,723	13,469,803	15,437,141
Short-term bank loan	42,428,890	260,000,000
Deferred revenue	4,652,010us-gaap_DeferredRevenueCurrent		2,262,223us-gaap_DeferredRevenueCurrent	4,622,404	2,262,223
Income tax payable	5,529,899us-gaap_AccruedIncomeTaxesCurrent		6,369,482us-gaap_AccruedIncomeTaxesCurrent	1,223,526	322,714
Non-current deferred tax liability
Long-term liabilities	$ 9,860,000us-gaap_LongTermDebtNoncurrent		$ 19,260,000us-gaap_LongTermDebtNoncurrent	$ 9,860,000	$ 19,260,000
Ordinary shares, par value	$ 0.0000005
Ordinary shares, shares authorized	1,000,000,000,000us-gaap_CommonStockSharesAuthorized	1,000,000,000,000us-gaap_CommonStockSharesAuthorized
Ordinary shares, shares issued	1,882,073,063us-gaap_CommonStockSharesIssued	1,882,073,063us-gaap_CommonStockSharesIssued	1,834,883,063us-gaap_CommonStockSharesIssued
Ordinary shares, shares outstanding	1,882,073,063us-gaap_CommonStockSharesOutstanding	1,882,073,063us-gaap_CommonStockSharesOutstanding	1,834,883,063us-gaap_CommonStockSharesOutstanding

Accrued expenses and other current liabilities.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount at the balance sheet date of borrowings from a bank, not elsewhere enumerated in the taxonomy, with a maturity within one year (or within one operating cycle if longer) from the date of borrowing.

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