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Related Party Transactions (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
1 Months Ended 6 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Former Executive Officers [Member]
Dec. 31, 2012
Former Chief Executive Officer [Member]
Related Party Transactions (Textual) [Abstract]      
Stock repurchased from former executives and retired during period shares   481,205  
Aggregate Price of stock repurchased from former executives and retired during the period   $ 0.8  
Shares repurchased from former CEO and retired during the period     7,049,515
Aggregate Price of stock repurchased from former CEO and retired during the period     $ 10.2
Related Party Transactions (Additional Textual) [Abstract]      
Stock repurchased from former executives and retired during period per share $ 1.45