Annual report pursuant to Section 13 and 15(d)

Note 7 - Convertible Notes Payable, Unsecured - Valuation Assumptions (Details)

Note 7 - Convertible Notes Payable, Unsecured - Valuation Assumptions (Details)	May 15, 2023 $ / shares	Jan. 18, 2023 $ / shares	Jul. 06, 2022 $ / shares
First Closing Notes [Member] \| Note Holders [Member]
Closing price per share of Common Stock (in dollars per share)			$ 9.98
First Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Exercise Price [Member]
Exercise price per share			9.94
First Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Price Volatility [Member]
Exercise price per share			88.44
First Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Exercise price per share			2.96
First Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Expected Dividend Rate [Member]
Exercise price per share			0
First Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Expected Term [Member]
Exercise price per share			5
First Closing Notes [Member] \| Placement Agent [Member]
Closing price per share of Common Stock (in dollars per share)			$ 9.98
First Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Exercise Price [Member]
Exercise price per share			10.06
First Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Price Volatility [Member]
Exercise price per share			88.44
First Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Exercise price per share			2.96
First Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Expected Dividend Rate [Member]
Exercise price per share			0
First Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Expected Term [Member]
Exercise price per share			5
Second Closing Notes [Member] \| Note Holders [Member]
Closing price per share of Common Stock (in dollars per share)		$ 5.76
Second Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Exercise Price [Member]
Exercise price per share		9.94
Second Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Price Volatility [Member]
Exercise price per share		111.31
Second Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Exercise price per share		3.43
Second Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Expected Dividend Rate [Member]
Exercise price per share		0
Second Closing Notes [Member] \| Note Holders [Member] \| Measurement Input, Expected Term [Member]
Exercise price per share		5
Second Closing Notes [Member] \| Placement Agent [Member]
Closing price per share of Common Stock (in dollars per share)		$ 5.76
Second Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Exercise Price [Member]
Exercise price per share		10.06
Second Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Price Volatility [Member]
Exercise price per share		111.31
Second Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Exercise price per share		3.43
Second Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Expected Dividend Rate [Member]
Exercise price per share		0
Second Closing Notes [Member] \| Placement Agent [Member] \| Measurement Input, Expected Term [Member]
Exercise price per share		5
Third Closing Notes [Member]
Closing price per share of Common Stock (in dollars per share)	$ 2.77
Third Closing Notes [Member] \| Measurement Input, Exercise Price [Member]
Exercise price per share	9.94
Third Closing Notes [Member] \| Measurement Input, Price Volatility [Member]
Exercise price per share	114.33
Third Closing Notes [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Exercise price per share	3.46
Third Closing Notes [Member] \| Measurement Input, Expected Dividend Rate [Member]
Exercise price per share	0
Third Closing Notes [Member] \| Measurement Input, Expected Term [Member]
Exercise price per share	5