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Fair Value Measurements (Details) (Teucrium Soybean Fund [Member], USD $)
Dec. 31, 2012
Dec. 31, 2011
Assets:    
Cash equivalents $ 6,169,205 $ 2,055,369
Commodity futures contracts 63,200 9,994
Total 6,232,405 2,065,363
Liabilities:    
Commodity futures contracts 284,575 164,663
Commodity Contract [Member]
   
Assets:    
Commodity futures contracts 63,200 9,994
Liabilities:    
Commodity futures contracts 284,575 164,663
Level 1 [Member]
   
Assets:    
Cash equivalents 6,169,205 2,055,369
Total 6,232,405 2,065,363
Level 1 [Member] | Commodity Contract [Member]
   
Assets:    
Commodity futures contracts 63,200 9,994
Liabilities:    
Commodity futures contracts 284,575 164,663
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