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Note 12 - Income Taxes	6 Months Ended
	Jun. 30, 2016
Notes to Financial Statements
Income Tax Disclosure [Text Block]	12 . Income Taxes The effective income tax rates for the six months ended June 30, 2016 and 2015 were 36.2% and 36.3%, respectively.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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