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Fair Value Measurements (Details) (Teucrium Wheat Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Assets:    
Cash equivalents $ 6,678,055 $ 3,356,906
Commodity futures contracts    15,762
Total   3,372,668
Liabilities:    
Commodity futures contracts 630,063 206,850
Commodity Contract [Member]
   
Assets:    
Commodity futures contracts    15,762
Liabilities:    
Commodity futures contracts 630,063 206,850
Level 1 [Member]
   
Assets:    
Cash equivalents 6,678,055 3,356,906
Total   3,372,668
Level 1 [Member] | Commodity Contract [Member]
   
Assets:    
Commodity futures contracts   15,762
Liabilities:    
Commodity futures contracts 630,063 206,850
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