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Note 1 - Summary of Significant Accounting Policies (Details Textual)		3 Months Ended		9 Months Ended
	May 26, 2023 $ / shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Apr. 08, 2021 $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.001	$ 0.001		$ 0.001		$ 0.001	$ 0.001
Restricted Cash and Cash Equivalents, Current		$ 901,437		$ 901,437		$ 1,440,394
Cash, Uninsured Amount		0		0		$ 12,999,271
Advertising Expense		7,372	$ 39,094	52,138	$ 142,522
Research and Development Expense		$ 428,600	$ 283,524	$ 1,131,003	$ 1,377,097
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		5 years		5 years
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years		3 years
Finite-Lived Intangible Asset, Useful Life (Year)		1 year		1 year
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		10 years		10 years
Finite-Lived Intangible Asset, Useful Life (Year)		10 years		10 years
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	8