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Note 9 - Taxes on Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets, Valuation Allowance	$ 1,965	$ 1,782
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	3,439
Loss Carryforward Period	20 years
Deferred Tax Assets, Operating Loss Carryforwards	1,534	1,184
DPL [Member]
Deferred Tax Assets, Operating Loss Carryforwards	$ 1,023

- Definition

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

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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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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