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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Percentage Of Management Fee In Average Daily Total Net Assets 0.75%    
Estimated Directors Fees and Expenses $ 540,586 $ 607,582 $ 1,107,140
Estimated Investor Tax Reporting Cost 75,000 75,000 160,000
Percentage Of Fees and Other Waivers Expense 0.15%    
Expenses Write Off 47,248    
Usbo [Member]
      
Estimated Directors Fees and Expenses 9,844 4,593  
Related Public Funds Member [Member]
      
Estimated Directors Fees and Expenses     $ 421