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Note 15 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 15 - Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 4,000	$ 5,000
Income Taxes Paid, Net	7,600,000	6,900,000	9,200,000
Interest Rate Swap [Member]
Note 15 - Income Taxes (Details) [Line Items]
Increase (Decrease) in Deferred Income Taxes	$ (88,000)
Minimum [Member]
Note 15 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward Expiration	7 years
Maximum [Member]
Note 15 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward Expiration	20 years

X

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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X

- Definition

The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Amount of interest expense accrued for an underpayment of income taxes.

+ 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 (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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X

- Definition

Tax Credit Carryforward Expiration

+ References

No definition available.

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