Note 3 - Stockholders' Equity - Schedule of Warrants (Details)		3 Months Ended
		Mar. 31, 2024 $ / shares shares	Mar. 31, 2024 $ / shares shares	Dec. 31, 2022 $ / shares shares
Warrants outstanding (in shares)		6,022,102	6,022,102
Warrants, number exercisable (in shares)		6,022,102	6,022,102
Jones Special Warrant [Member]
Warrants outstanding (in shares)	[1]	6,022,102	6,022,102
Warrants, remaining contractual life (Year)		1 month 17 days
Warrants, exercise price (in dollars per share) | $ / shares		$ 0.63
Warrants, number exercisable (in shares)		6,022,102	6,022,102
Pinestar Warrants [Member]
Warrants outstanding (in shares)				1,674,808
Warrants, exercise price (in dollars per share) | $ / shares			$ 0.06	$ 0.06

[1] Upon conversion of the beforementioned 2021 Unsecured Convertible Debenture, 4,025,035 Jones Special Warrants were issued. In connection with the beforementioned Plan of Arrangement, Pinestar completed an offering for Subscription Receipts for aggregate gross proceeds of $8,000,000. Pursuant to the Plan of Arrangement, each Subscription Receipt automatically converted into 16,000,000 Jones Special Warrants. Lastly, Upon conversion of the beforementioned 2022 Unsecured Convertible Debenture, 6,022,102 Jones Special Warrants were issued.