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Note 10 - Income Taxes (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards	$ 639,000
Deferred Tax Assets, Valuation Allowance	475,000	475,000
Investment Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	125,000
Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	$ 435,000

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.