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Organization and Operation (Details) (Teucrium Corn Fund [Member], USD $)
 1 Months Ended 7 Months Ended 12 Months Ended
Jun. 08, 2010
Dec. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Mar. 05, 2012
Feb. 01, 2012
Jan. 31, 2012
Jun. 05, 2010
Common units per Creation Basket     25,000   25,000 50,000 100,000  
Common units registered               30,000,000
Number of shares issued 200,000              
Value of shares issued $ 5,000,000 $ 39,891,098 $ 51,752,168 $ 92,546,004        
Net asset value per share $ 25.0 $ 39.06 $ 44.34 $ 41.92        
Second to Expire CBOT Corn Futures Contract [Member]
                
Benchmark percent     35.00%          
Third to Expire CBOT Corn Futures Contract [Member]
                
Benchmark percent     30.00%          
CBOT Corn Futures Contract Expiring in December Following Expiration Month of Third to Expire Contract [Member]
                
Benchmark percent     35.00%