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Note 11 - Income Taxes - Reconciliation of Income Tax Benefit (Details) - USD ($)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. federal statutory rate applied to pretax loss	$ (929,409)	$ (776,881)	$ (725,948)
Permanent differences	1,734	3,138	2,674
Research and development credits	26,648	14,047	21,236
Change in valuation allowance	901,027	759,696	702,038
Reported income tax expense	$ 0	$ 0	$ 0

X

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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