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Fair Value Measurements (Details) (Teucrium Sugar Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Assets:    
Cash equivalents $ 2,290,440 $ 2,088,533
Liabilities:    
Commodity futures contracts 201,499 78,378
Commodity Contract [Member]
   
Assets:    
Commodity futures contracts      
Liabilities:    
Commodity futures contracts 201,499 78,378
Level 1 [Member]
   
Assets:    
Cash equivalents 2,290,440 2,088,533
Level 1 [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts 201,499 78,378
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