Note 7 - Note Payable - Note Payable (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Loan	$ 450,000	$ 450,000
Less current portion	(149,001)	(93,009)
Non-current portion	300,999	356,991
Paycheck Protection Program CARES Act [Member]
Loan	$ 450,000	$ 450,000

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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