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Fair Value Measurements (Details) (Teucrium Wheat Fund [Member], USD $)
Dec. 31, 2012
Dec. 31, 2011
Assets:    
Cash equivalents $ 3,356,906 $ 2,022,024
Commodity futures contracts 15,762 71,170
Total 3,372,668 2,093,194
Liabilities:    
Commodity futures contracts 206,850 141,468
Commodity Contract [Member]
   
Assets:    
Commodity futures contracts 15,762 71,170
Liabilities:    
Commodity futures contracts 206,850 141,468
Level 1 [Member]
   
Assets:    
Cash equivalents 3,356,906 2,022,024
Total 3,372,668 2,093,194
Level 1 [Member] | Commodity Contract [Member]
   
Assets:    
Commodity futures contracts 15,762 71,170
Liabilities:    
Commodity futures contracts 206,850 141,468
Level 2 [Member]
   
Assets:    
Cash equivalents      
Total      
Level 2 [Member] | Commodity Contract [Member]
   
Assets:    
Commodity futures contracts      
Liabilities:    
Commodity futures contracts      
Level 3 [Member]
   
Assets:    
Cash equivalents      
Total      
Level 3 [Member] | Commodity Contract [Member]
   
Assets:    
Commodity futures contracts      
Liabilities:    
Commodity futures contracts