Note 4 - Long-lived Assets - Property and Equipment (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Total property and equipment, gross	$ 1,909,528	$ 1,686,310
Less: Accumulated depreciation and amortization	(442,882)	(292,080)
Total property and equipment, net	$ 1,466,646	1,394,230
Computer Equipment [Member]
Total property and equipment, useful lives (Year)	4 years
Total property and equipment, gross	$ 41,839	41,839
Lab Equipment [Member]
Total property and equipment, useful lives (Year)	5 years
Total property and equipment, gross	$ 17,019	17,019
Office Equipment, Furniture and Fixtures [Member]
Total property and equipment, useful lives (Year)	5 years
Total property and equipment, gross	$ 106,486	106,486
Leasehold Improvements [Member]
Total property and equipment, gross	$ 184,989	175,736
Machinery and Equipment [Member]
Total property and equipment, useful lives (Year)	7 years
Total property and equipment, gross	$ 1,559,195	$ 1,345,230

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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