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Earnings Per Share (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Common Stock [Member]
   
Earnings Per Share (Textual) [Abstract]    
Securities excluded from the calculation of earnings per share 905,001 905,001
Warrant [Member]
   
Earnings Per Share (Textual) [Abstract]    
Securities excluded from the calculation of earnings per share 1,738,335 1,738,335
Warrants, exercise price 9.10 9.10