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Note 4 - Income Taxes - Component of Deferred Tax Assets (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 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)	0
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	$ 0	$ 0

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- Definition

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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