Note 1 - Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Net loss from continuing operations	$ (4,473,643)	$ (11,248,598)
Less: deemed dividends on series B preferred stock	(44,619)	(48,633)
Net loss from continuing operations available to common stockholders	(4,473,643)	(11,299,092)
Net income (loss) from discontinued operations, net of tax, available to common stockholders	14,573,262	(2,994,584)
Net income (loss)	$ 10,099,619	$ (14,293,676)
Basic weighted average shares for continuing and discontinued operations (in shares)	3,443,264	2,760,970
Diluted weighted average shares for discontinued operations (in shares)	4,047,057	2,760,970
Net (loss) from continuing operations per share (in dollars per share)	$ (1.3)	$ (4.09)
Net income (loss) from discontinued operations per share (in dollars per share)	4.23	(1.08)
Net income (loss) per share - basic (in dollars per share)	2.93	(5.17)
Net (loss) from continuing operations per share (in dollars per share)	(1.3)	(4.09)
Net income (loss) from discontinued operations per share (in dollars per share)	3.59	(1.08)
Net income (loss) per share - diluted (in dollars per share)	$ 2.29	$ (5.17)
Series B Preferred Stock [Member]
Less: deemed dividends on series B preferred stock	$ 0	$ (48,633)
Less: dividends on series B preferred stock	$ 0	$ (1,861)