Note 14 - Income Taxes (Detail) - Component of Deferred Income Tax Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Net operating loss carry forwards	$ 14,166	$ 11,336
Basis difference in intangible assets	287	424
Accruals	1,451	673
Tax credits	276	276
Basic difference in property, plant, and equipment	(652)	(513)
Other, net	174	434
Valuation allowance	$ (15,702)	$ (12,630)

- 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 temporary differences not separately disclosed.

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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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