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Stock-Based Employee Compensation (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 29, 2012
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock-Based Employee Compensation (Textual) [Abstract]          
Shares of the restricted stock vest over Period 5 years        
Stock-Based Employee Compensation (Additional Textual) [Abstract]          
Unissued common stock reserved under equity incentive plan   61,251   61,251  
Fair value of awards, granted $ 6.60     $ 6.60  
Number of shares of restricted stock vest       25,165  
Percentage of restricted stock units vesting annually beginning on second anniversary of grant date       25.00%  
Number of shares of restricted stock cliff vest       15,228  
Granted stock vested 31,820        
Total grant date fair value $ 210,000        
Share based compensation cost recognized   49,000 33,000 94,000 68,000
Performance Shares [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Shares of the restricted stock vest over Period 3 years        
2008 Equity incentive plan [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Reserved shares of common stock for issuance   1,000,000   1,000,000  
Restricted Stock Units Number of Share [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Granted restricted stock units       40,393  
Amortized compensation expense related to the restricted stock units   $ 29,000 $ 12,000 $ 52,000 $ 22,000
Restricted Stock Units Number of Share [Member] | Executive Officer [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Granted restricted stock units       40,393  
2012 Equity incentive plan [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Reserved shares of common stock for issuance   750,000   750,000  
2008 and 2012 Equity incentive plan [Member]
         
Stock-Based Employee Compensation (Textual) [Abstract]          
Total potential future grants   811,251   811,251