Note 11 - Convertible Preferred Stock (Details Textual) - USD ($)		12 Months Ended
	Jul. 26, 2021	Dec. 31, 2024	Dec. 31, 2023	Feb. 13, 2024
Deemed Dividends		$ (44,619)	$ (48,633)
Series A-1 Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	52,502	260,000	260,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.1	$ 0.0001	$ 0.0001	$ 0.2
Preferred Stock, Liquidation Preference Per Share (in dollars per share)	16.246
Preferred Stock, Convertible, Conversion Price (in dollars per share)	$ 16.246
Preferred Stock, Beneficial Ownership Limitation	9.99%
Preferred Stock, Accrued Stock Dividends (in shares)		7,202	7,202
Additional Paid in Capital, Preferred Stock		$ 326,356	$ 326,356	$ 1,439
Preferred Stock, Shares Outstanding (in shares)		7,202	7,202
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	276,582	370,000	370,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.1	$ 0.0001	$ 0.0001	$ 0.2
Preferred Stock, Convertible, Conversion Price (in dollars per share)	$ 16.246
Preferred Stock, Dividend Rate, Percentage	8.00%
Additional Paid in Capital, Preferred Stock				$ 2,495
Deemed Dividends		$ 0	$ (48,633)
Incremental Common Shares Attributable to Dilutive Effect of Preferred Stock Dividend (in shares)			16,486
Preferred Stock, Shares Outstanding (in shares)		12,481	12,481
Series B Preferred Stock [Member] | Minimum [Member]
Preferred Stock, Convertible, Conversion Price (in dollars per share)	$ 2
Series A Preferred Stock [Member]
Preferred Stock, Shares Outstanding (in shares)		0	0