Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Income Taxes [Abstract]    
Uncertain tax benefit positions that would reduce the effective income tax rate if recognized $ 246,000  
Effective income tax rate 33.00% 42.00%
Federal tax rate 35.00%  
Increase in income tax rate due to the effect of foreign operations 0.30%