Note 9 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Note 9 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	34.00%
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 1.2
Earliest Tax Year [Member] \| Domestic Tax Authority [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year	2011
Earliest Tax Year [Member] \| State and Local Jurisdiction [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year	2011
Latest Tax Year [Member] \| Domestic Tax Authority [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year	2013
Latest Tax Year [Member] \| State and Local Jurisdiction [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year	2013

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(2))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 2

-Article 4

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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-Paragraph 15

-Subparagraph (e)

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- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (d)

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