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Note 9 - Income Taxes
 3 Months Ended
Mar. 31, 2022
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

9.

Income Taxes

 

The Company files income tax returns in the United States Federal jurisdiction, in a limited number of foreign jurisdictions, and in many state jurisdictions. With few exceptions, the Company is no longer subject to United States Federal, state, or foreign income tax examinations for years before 2017.

 

The Company recorded income tax expense at an estimated effective income tax rate of 27.4% and 21.7% for the three months ended March 31, 2022 and 2021, respectively. The Company’s estimated effective income tax rate for the three months ended March 31, 2022 was primarily impacted by non-deductible permanent differences. The Company’s estimated effective income tax rate for the three months ended March 31, 2021 was primarily impacted by the tax windfalls recognized upon the vesting of equity awards.