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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Additional Information) (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Carrying Amounts and Fair Values of Financial Instruments or Liabilities [Line Items]    
Cash investments in money market funds $ 9,510,692us-gaap_DepositsMoneyMarketDeposits $ 19,522,574us-gaap_DepositsMoneyMarketDeposits
Deposits in domestic and foreign financial institutions $ 11,127,927us-gaap_Deposits $ 6,941,097us-gaap_Deposits