Note 13 - Loss Per Share - Shares Used in Basic and Diluted Loss Per Common Share Computations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net loss attributable to common stockholders per common share: basic and diluted calculation	$ (13,983,967)	$ (25,737,634)
Weighted average shares used in computation – basic and diluted (in shares)	4,014,848	3,685,954
Effect of diluted stock options, warrants and preferred stock (1) (in shares)	0	0
Weighted average common shares outstanding-diluted (in shares)	4,014,848	3,685,954
Net loss per common share – basic and diluted (in dollars per share)	$ (3.48)	$ (6.98)