FAIR VALUE MEASUREMENT (Details 2) (Not designated as hedging instruments, Foreign exchange forward contracts, USD $)	Dec. 31, 2014	Dec. 31, 2013
Not designated as hedging instruments \| Foreign exchange forward contracts
Effect of fair value of derivative instruments on the consolidated balance sheets
Total derivatives asset	$ 9,642,728	$ 7,323,422
Total derivatives liability	$ 445,222	$ 597,089

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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