Note 12 - Income Taxes	6 Months Ended
Jun. 30, 2020
Notes to Financial Statements
Income Tax Disclosure [Text Block]	(12) Income Taxes The determination of income tax expense in the accompanying unaudited condensed consolidated statements of income is based upon the estimated effective tax rate for the year, adjusted for the impact of any discrete items which are accounted for in the period in which they occur. The Company recorded income tax expense of approximately 20.8% and 25.6% of income before income tax expense for the three-month periods ended June 30, 2020 and 2019, respectively. The Company recorded income tax expense of approximately 18.9% and 24.0% of income before income tax expense for each of the six-month periods ended June 30, 2020 and 2019, respectively.

- 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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