Note 5 - Income Taxes (Details) - Income Taxes Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Income Taxes Reconciliation [Abstract]
Provision for income taxes at federal statutory rate	$ 1,164	$ 1,031
Provision for income taxes at federal statutory rate	34.00%	34.00%
State income taxes, net of federal benefit	37	47
State income taxes, net of federal benefit	1.08%	1.55%
Permanent differences	(79)	226
Permanent differences	(2.31%)	7.45%
Change in valuation allowance	(1,900)	(2,348)
Change in valuation allowance	(55.51%)	(77.43%)
Foreign tax rate differential	(161)	(91)
Foreign tax rate differential	(4.70%)	(2.99%)
Other	(9)	17
Other	(0.26%)	0.55%
Net benefit	$ (948)us-gaap_IncomeTaxExpenseBenefit	$ (1,118)us-gaap_IncomeTaxExpenseBenefit
Net benefit	(27.70%)	(36.87%)

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

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