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Note 9 - Taxes on Income (Detail) - Components of Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Net operating loss carryforward	$ 1,534	$ 1,184
Reserves and allowances	276	436
Credit carryforward	116	106
Depreciation and amortization	39	56
Net deferred tax asset before valuation allowance	1,965	1,782
Valuation allowance	$ (1,965)	$ (1,782)

- Definition

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

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- Definition

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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- Definition

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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- Definition

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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