XML 21 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Short-Term Investments $ 27,715,581 $ 40,715,676
Exchange-Traded Futures Contracts    
Foreign Contracts 77,060 739,330
Fair Value, Inputs, Level 1 [Member]
   
Short-Term Investments 27,715,581 40,715,676
Exchange-Traded Futures Contracts    
Foreign Contracts 77,060 739,330
Fair Value, Inputs, Level 2 [Member]
   
Short-Term Investments 0 0
Exchange-Traded Futures Contracts    
Foreign Contracts 0 0
Fair Value, Inputs, Level 3 [Member]
   
Short-Term Investments 0 0
Exchange-Traded Futures Contracts    
Foreign Contracts $ 0 $ 0