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Description of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2012
Accounting Policies [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The stock-based compensation expense related to the Company’s various stock option plans was allocated as follows (in thousands):

 

    Years Ended December 31,  
    2012     2011     2010  
                   
Direct operating costs   $ 109     $ 72     $ 13  
Selling and adminstrative expenses     868       743       243  
                         
Total stock-based compensation   $ 977     $ 815     $ 256