Quarterly report pursuant to Section 13 or 15(d)

Earnings per share (EPS) (Details Textual)

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Earnings per share (EPS) (Details Textual) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2011
Jun. 30, 2012
Earnings per share (EPS) (Textual) [Abstract]    
Number of options outstanding   0
Number of options purchased 15,000  
Exercise price of options $ 5.91