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Note 4 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		Years Ended December 31,
		2020				2019
U.S. operations		$	(9,246,122	)		$	(8,274,712	)
Foreign operations			(47,833	)			(22,947	)
Total loss before provision for income taxes		$	(9,293,955	)		$	(8,297,659	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Years Ended December 31,
		2020				2019
Tax at U.S. statutory rate			(21.00	)%			(21.00	)%
State taxes, net of federal benefit			(3.60	)			(4.61	)
Non-deductible items			(0.45	)			(6.49	)
Change in valuation allowance			24.19				30.99
True-up adjustment			1.33				0.18
Foreign operations			(0.13	)			(0.07	)
Change in tax rates			—				1.00
Other			(0.34	)			—
Effective income tax rate			—	%			—	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		December 31,
		2020				2019
Stock option expense		$	689,600			$	275,000
NOL carryforward			7,080,600				5,214,200
Research and development credits			1,656,500				1,656,500
Unrealized gain from investment in Alphazyme			(69,800	)			—
Other			7,900				4,400
Deferred tax asset, net of deferred tax liabilities			9,364,800				7,150,100
Valuation allowance			(9,364,800	)			(7,150,100	)
Net deferred tax asset		$	—			$	—

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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-Topic 235
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