Note 9 - Leases - Operating and Finance Lease (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
2022 remaining, operating lease	$ 23,100
2022 remaining, finance lease	21,557
2023, operating lease	0
2023, finance lease	19,332
Total minimum lease obligations, operating lease	23,100
Total minimum, finance lease	40,889
Less: amounts representing interest, operating lease	(314)
Less: amounts representing interest, finance lease	(1,495)
Present value of minimum lease payments, operating lease	22,786
Present value of minimum lease payments, finance lease	39,394
Less: current portion, operating lease	(22,786)	$ (22,786)
Less: current portion, finance lease	(27,400)	(27,062)
Lease obligations, net of current portion, operating lease	0
Lease obligations, net of current portion, finance lease	$ 11,994	$ 18,973

Present value of lessee's discounted obligation for lease payments from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

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