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Subsequent Events (Details) (Subsequent Event [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Subsequent Event [Member]
 
Subsequent events (Textual) [Abstract]  
Common stock share received $ 0.9951
Business Acquisition Share Price $ 7.03
Value of common stock $ 480,000
Business Acquisition Share Price of Acquiree $ 7.00
Percentage of acquisition held by chairman Greater Than 5%
Percentage of acquisition held by directors Less Than 5%