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Fair Value Measurements (Details) (Teucrium Agricultural Fund [Member], USD $)
Mar. 31, 2013
Dec. 31, 2012
Assets:    
Exchange-traded funds $ 2,229,099 $ 2,426,187
Cash equivalents 6,835 6,419
Total 2,235,934 2,432,606
Level 1 [Member]
   
Assets:    
Exchange-traded funds 2,229,099 2,426,187
Cash equivalents 6,835 6,419
Total 2,235,934 2,432,606
Level 2 [Member]
   
Assets:    
Exchange-traded funds      
Cash equivalents      
Total      
Level 3 [Member]
   
Assets:    
Exchange-traded funds      
Cash equivalents      
Total