Note 14 - Loss Per Share - Shares Used in Basic and Diluted Loss Per Common Share Computations (Details) - USD ($)		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Net (loss) from continuing operations		$ (10,860,205)	$ (12,017,561)
Loss from discontinued operations		(1,804,183)	(1,966,406)
Net loss attributable to common stockholders		$ (12,664,388)	$ (13,983,967)
Weighted average shares used in computation – basic and diluted (in shares)		5,453,632	4,014,848
Dilutive effect of stock options, warrants and preferred stock (1) (in shares)	[1]	0	0
Weighted average common shares outstanding - diluted (in shares)		5,453,632	4,014,848
Loss from continuing operations (in dollars per share)		$ (1.99)	$ (2.99)
Net (loss) from discontinued operations attributable to common stockholders per common share – basic and diluted (in dollars per share)		(0.33)	(0.49)
(Loss) per common share - basic and diluted (in dollars per share)		$ (2.32)	$ (3.48)

[1] The following is a summary of the number of underlying shares outstanding at the end of the respective periods that have been excluded from the diluted calculations because the effect on loss per common share would have been anti-dilutive: