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Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Stock-Based Compensation (Textual) [Abstract]    
Grant of restricted common stock 41,000  
Vest of restricted stock on each year 33.00%  
Stock based compensation $ 253 $ 403