Note 15 - Income Taxes	9 Months Ended
Sep. 30, 2020
Notes to Financial Statements
Income Tax Disclosure [Text Block]	15. Income Taxes The effective income tax rates for the nine months ended September 30, 2020 and 2019 were 21.3% and 22.8%, respectively. The decrease in the effective tax rate in the current year is primarily the result of a discrete tax benefit related to equity compensation as well as the favorable mix of earnings in the jurisdictions where the Company operates.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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