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Fair Value Measurements (Details) (Teucrium Sugar Fund [Member], USD $)
Jun. 30, 2012
Dec. 31, 2011
Liabilities:    
Commodity futures contracts $ 60,984 $ 138,198
Commodity Contract [Member]
   
Assets:    
Commodity futures contracts      
Liabilities:    
Commodity futures contracts 60,984 138,198
Level 1 [Member]
   
Assets:    
Cash equivalents 882,866 2,051,003
Level 1 [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts 60,984 138,198
Level 2 [Member]
   
Assets:    
Cash equivalents      
Level 2 [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts      
Level 3 [Member]
   
Assets:    
Cash equivalents      
Level 3 [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts      
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Assets:    
Cash equivalents 882,866 2,051,003
Estimate of Fair Value, Fair Value Disclosure [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts $ 60,984 $ 138,198