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Note 8 - Income Taxes (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 69,800,000
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 763,965	$ 763,690

- 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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