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13. FAIR VALUE MEASUREMENTS (Details) - USD ($)
Oct. 31, 2016
Oct. 31, 2015
Assets:    
Money market $ 489,826 $ 482,499
Commodities-Futures 218,475  
Total Assets 708,301 482,499
Liabilities:    
Commodities Options (83,753) (134,613)
Commodities-Futures   (349,222)
Total Liabilities (83,753) (483,835)
FairValueInputsLevel1Member    
Assets:    
Money market 489,826 482,499
Commodities-Futures 0  
Total Assets 489,826 482,499
Liabilities:    
Commodities Options 0 0
Commodities-Futures   0
Total Liabilities 0 0
FairValueInputsLevel2Member    
Assets:    
Money market 0 0
Commodities-Futures 218,475  
Total Assets 218,475 0
Liabilities:    
Commodities Options (83,753) (134,613)
Commodities-Futures   (349,222)
Total Liabilities (83,753) (483,835)
FairValueInputsLevel3Member    
Assets:    
Money market 0 0
Commodities-Futures 0  
Total Assets 0 0
Liabilities:    
Commodities Options 0 0
Commodities-Futures   0
Total Liabilities $ 0 $ 0