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Fair Value Measurements (Corn) (Schedule of Assets and Liabilities Measured at Fair Value) (Details) (Teucrium Corn Fund [Member], USD $)
Dec. 31, 2013
Dec. 31, 2012
Assets:    
Cash equivalents $ 42,405,220 $ 34,631,982
Liabilities:    
Commodity futures contracts 4,884,788 2,213,775
Level 1 [Member]
   
Assets:    
Cash equivalents 42,405,220 34,631,982
Level 1 [Member] | Commodity Contract [Member]
   
Liabilities:    
Commodity futures contracts 4,884,788 2,213,775
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