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Note 14 - Income Taxes | 6 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Income Tax Disclosure [Text Block] | 1 4 . Income Taxes The effective income tax rates for the six months ended June 30, 2018 and 2017 were 25.3% and 36.7%, respectively. The decrease in the effective income tax rate in 2018 was primarily due to a reduction of the U.S. federal corporate tax rate as a result of the Tax Cuts and Jobs Act (Tax Act) enacted on December 22, 2017. The SEC staff issued Staff Legal Bulletin 118 (SAB 118 ), which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740. In accordance with SAB 118, a company must reflect the income tax effects of those aspects of the Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. If a company cannot determine a provisional estimate to be included in the financial statements, it should continue to apply ASC 740 on the basis of the provisions of the tax laws that were in effect immediately before the enactment of the Tax Act. The Company's accounting for certain elements of the Tax Act is incomplete. However, reasonable estimates of certain effects were able to be made and, therefore, provisional adjustments were recorded in the Company’s financial statements as of, and for the period ended, December 31, 2017. There were no significant adjustments recorded during the six months ended June 30, 2018 related to provisional amounts recorded in 2017 as a result of the Tax Act. For further discussion on the impact of the Tax Act, see Item 8 (Note 13 “Income Taxes”) of the Annual Report on Form 10 -K for the year ended December 31, 2017.

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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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