Note 7 - Convertible Credit Line Payable - Related Party (Details Textual) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Sep. 01, 2017
Amortization of Debt Discount (Premium)	$ 14,926	$ 29,636
Proceeds from Convertible Debt	8,500
Repayments of Convertible Debt	4,250	11,000
Convertible Credit Line Payable, Related Party [Member]
Debt Instrument, Face Amount				$ 500,000
Long-term Line of Credit, Total				$ 87,366
Debt Instrument, Interest Rate, Stated Percentage				7.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share)				$ 1.50
Debt Instrument, Unamortized Discount, Total	8,321		$ 17,396	$ 87,366
Debt Instrument Discount, Additions	5,851		7,568
Amortization of Debt Discount (Premium)	14,926		$ 39,514
Proceeds from Convertible Debt	8,500	0
Repayments of Convertible Debt	4,250	$ 11,000
Convertible Debt, Total	$ 148,328

The amount of additions of debt instrument discount.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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