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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Additional Information) (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Carrying Amounts and Fair Values of Financial Instruments or Liabilities [Line Items]    
Cash investments in money market funds $ 2,500,000 $ 4,500,000
Deposits in domestic and foreign financial institutions $ 10,960,477 $ 11,042,106