Note 9 - Leases (Details Textual) - USD ($)	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Operating Lease, Weighted Average Remaining Lease Term (Year)	5 years 2 months 19 days
Operating Lease, Weighted Average Discount Rate, Percent	13.13%
Operating Lease, Expense	$ 103,959	$ 3,347
Operating Lease, Payments	$ 82,487	$ 3,256
Lease Related to External Debt One [Member]
Lessee, Operating Lease, Discount Rate	3.00%
Lease Related to External Debt Two [Member]
Lessee, Operating Lease, Discount Rate	10.00%
Lease Related to External Debt Three [Member]
Lessee, Operating Lease, Discount Rate	17.00%

Discount rate used by lessee to determine present value of operating lease payments.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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Period Type:	instant

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
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Period Type:	duration

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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