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Stock Compensation (Details 2) (Restricted Stock Units (RSUs) [Member], USD $)
1 Months Ended 9 Months Ended
Aug. 31, 2012
Apr. 30, 2012
Sep. 30, 2012
Restricted Stock Units (RSUs) [Member]
     
Restricted Stock Activity Of Stock Compensation      
Outstanding at December 31, 2011       
Restricted Stock Units, weighted average grant date fair value per share, beginning balance       
Granted, shares 7,500 32,377 39,877
Granted, weighted average grant date fair value per share     $ 6.28
Vested, shares       
Vested, weighted average grant date fair value per share       
Forfeited or canceled, shares     (966)
Forfeited or canceled, weighted average grant date fair value per share     $ 5.40
Outstanding at September 30, 2012     38,911
Restricted Stock Units, weighted average grant date fair value per share, ending balance     $ 6.30