Note 5 - Properties, Plant and Equipment, Net and Mineral Rights - Mineral Rights and Properties (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Mineral rights and properties	$ 730,597	$ 11,980,716
Comstock Mineral Estate [Member]
Mineral rights and properties	0	10,842,716
Other Mineral Properties [Member]
Mineral rights and properties	0	317,405
Water Rights [Member]
Mineral rights and properties	$ 730,597	$ 820,595