Note 9 - Taxes on Income (Details) - Components of Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Components of Deferred Tax Assets and Liabilities [Abstract]
Net operating loss carryforward	$ 1,958	$ 1,775
Reserves and allowances	202	258
Credit carryforward	173	153
Depreciation and amortization	127	101
Net deferred tax asset before valuation allowance	2,460us-gaap_DeferredTaxAssetsLiabilitiesNet	2,287us-gaap_DeferredTaxAssetsLiabilitiesNet
Valuation allowance	$ (2,460)	$ (2,287)

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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No definition available.

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance.

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-Glossary Carryforwards

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves not separately disclosed.

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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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