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Fair Value Measurements (Corn) (Schedule of Assets and Liabilities Measured at Fair Value) (Details) (Teucrium Corn Fund [Member], USD $)
Sep. 30, 2014
Dec. 31, 2013
Assets:    
Cash equivalents $ 97,090,355 $ 42,405,220
Liabilities:    
Commodity futures contracts 16,589,737 4,884,788
Level 1 [Member]
   
Assets:    
Cash equivalents 97,090,355 42,405,220
Level 1 [Member] | Corn Futures Contracts [Member]
   
Liabilities:    
Commodity futures contracts 16,589,737 4,884,788
Level 2 [Member]
   
Assets:    
Cash equivalents      
Level 2 [Member] | Corn Futures Contracts [Member]
   
Liabilities:    
Commodity futures contracts      
Level 3 [Member]
   
Assets:    
Cash equivalents      
Level 3 [Member] | Corn Futures Contracts [Member]
   
Liabilities:    
Commodity futures contracts