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Note 3 - Income Taxes (Details) - Major Components of Income Tax Provision (Benefit) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Current:
Domestic	$ 97us-gaap_CurrentFederalTaxExpenseBenefit	$ 6,499us-gaap_CurrentFederalTaxExpenseBenefit
Foreign	708us-gaap_CurrentForeignTaxExpenseBenefit	156us-gaap_CurrentForeignTaxExpenseBenefit
Total current income tax provision	805us-gaap_CurrentIncomeTaxExpenseBenefit	6,655us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Domestic	2,422	(3,130)
Foreign	(1,788)	258
Total deferred income tax provision	634us-gaap_DeferredIncomeTaxExpenseBenefit	(2,872)us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax provision	$ 1,439us-gaap_IncomeTaxExpenseBenefit	$ 3,783us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.