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14. Accumulated Other Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2012
Accumulated Other Comprehensive Income  
Components of accumulated other comprehensive income

As of December 31, 2012 and 2011, the components of accumulated other comprehensive income were as follows:

 

    As of December 31,  
    2012     2011  
Foreign currency translation adjustment     768,000       722,000  
Ending balance   $ 768,000     $ 722,000