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Note 13 - Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	39.10%	39.40%	39.00%	39.80%
Deferred Tax Assets, Net of Valuation Allowance (in Dollars)	$ 30,700,000		$ 30,700,000
Deferred Tax Liabilities, Gross (in Dollars)	18,900,000		18,900,000
Deferred Tax Assets, Valuation Allowance (in Dollars)	$ 0		$ 0

X

- Definition

Amount of deferred tax liability attributable to taxable temporary differences.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Deferred Tax Liability



-URI http://asc.fasb.org/extlink&oid=6510232



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 2



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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 15



-Subparagraph b(2)



-Article 7

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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-Publisher FASB



-Name Accounting Standards Codification



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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Name Accounting Standards Codification



-Topic 235



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