XML 15 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Subsequent Events (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Subsequent Events (Textual) [Abstract]        
Amount of one-time payment under agreement     $ 700,000  
Deductible subject to which insurance carrier will fund cost for defending lawsuit 300,000   300,000  
Amount of legal defense and other associated costs 2,900,000   2,900,000  
Receivable for reimbursable expense 2,300,000   2,300,000  
Amount of net costs incurred $ 219,000    $ 700,000   
Research Affiliates [Member]
       
Subsequent Events (Textual) [Abstract]        
Aggregate period of future related patents to be filed     8 years  
Reduced period of future related patents under acquisition     3 years  
WisdomTree [Member]
       
Subsequent Events (Textual) [Abstract]        
Aggregate period of future related patents to be filed     8 years  
Reduced period of future related patents under acquisition     3 years  
ETF [Member]
       
Subsequent Events (Textual) [Abstract]        
Fixed income ETF's, Maturity date     Dec. 31, 2012