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Note 10 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Expected provision at federal statutory tax rate (34%)	$ (222,083)	$ 1,538,565
State taxes, net of federal benefit	2,504	3,070
Stock-based compensation expense	(269,163)	(252,288)
Net operating loss carryforward	(21,412)	954,581
Federal research & development credit	(144,522)	(437,303)
Other permanent differences	150,615	(486,430)
Income tax (benefit)/expense	$ (504,061)	$ 1,320,195

X

- Definition

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 capital loss carryforward.

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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 operating loss carryforward.

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

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