Note 3 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Note 3 - Income Taxes (Details) [Line Items]
Deferred Tax Liabilities, Net	$ 29.8us-gaap_DeferredTaxLiabilities
Deferred Tax Assets, Valuation Allowance	36	32
Internal Revenue Service (IRS) [Member]
Note 3 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Net	108.6
Canada Revenue Agency [Member]
Note 3 - Income Taxes (Details) [Line Items]
Deferred Tax Liabilities, Net	$ 138.4

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, before jurisdictional netting.

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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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, before jurisdictional netting.

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