Annual report pursuant to section 13 and 15(d)

Income Taxes (Details 4)

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Income Taxes (Details 4)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Reconciliations of the effective income tax rate to the U.S. federal statutory rate    
Income tax benefit at the statutory rate 34.00% 34.00%
State and local income tax benefit 1.78% 3.33%
Foreign income tax (10.23%) (0.28%)
Permanent differences (5.38%) (3.71%)
Resolution of uncertain tax positions 11.15% 0.17%
Other adjustments (0.48%) 0.12%
Effective income tax rate 30.84% 33.63%