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Note 5 - Income Taxes (Details) - Income Tax Benefit (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Benefit [Abstract]
Federal	$ 15us-gaap_CurrentFederalTaxExpenseBenefit	$ (2)us-gaap_CurrentFederalTaxExpenseBenefit
Foreign	623us-gaap_CurrentForeignTaxExpenseBenefit	845us-gaap_CurrentForeignTaxExpenseBenefit
State	116	201
Federal	(1,525)	(1,700)
Foreign	(8)	(262)
State	(169)	(200)
Net benefit	$ (948)us-gaap_IncomeTaxExpenseBenefit	$ (1,118)us-gaap_IncomeTaxExpenseBenefit

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

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