Quarterly report pursuant to Section 13 or 15(d)

Income Taxes

Income Taxes
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes
Note 6 - Income Taxes
The following table summarizes the Company’s income tax expense and effective tax rates for the three and six months ended June 30, 2021, and 2020:
Three Months Ended
Six Months Ended
June 30, 2021
June 30, 2020
June 30, 2021
June 30, 2020
Loss before income taxes
   $ (7,372   $ (19,568   $ (19,533   $ (254,503
Income tax expense
     7,884       5,257       15,175       6,663  
Effective tax rate
     (106.9 )%      (26.9 )%      (77.7 )%      (2.6 )% 
The effective tax rate may vary significantly from period to period and can be influenced by many factors. These factors include, but are not limited to, changes to the statutory rates in the jurisdictions where the Company has operations and changes in the valuation of deferred tax assets and liabilities. The difference between the
ffective tax rate and the federal statutory rate of 21% primarily relates to certain
items, state and local income taxes and the valuation allowance for deferred tax assets of