Note 11 - Leases - Schedule of Lease Expense (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Operating lease cost	$ 40,796	$ 38,163
Finance lease cost:
Amortization of leased assets	5,557	10,813
Interest on lease liabilities	86	832
Total finance lease cost	$ 5,643	$ 11,645

Amount of interest expense on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- References

No definition available.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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