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Commitments and Contingencies (Details) (USD $)
1 Months Ended 6 Months Ended
Jan. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Commitments and Contingencies (Textual) [Abstract]      
Funded settlements $ 3,000,000    
Additional payment to be made for legal settlements   4,500,000  
Outstanding litigation   4,415,000 3,081,000
Contractual commitments   $ 532,000  
Period of contractual commitments   5 years