Note 5 - Investment in Peak Gold JV - Roll-forward of Investment in the Joint Venture Company (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Investment balance	$ 28,064,405
Investment in Peak Gold, LLC	15,450,000	$ 5,090,000
Loss from equity investment in Peak Gold, LLC	(140,253)	(5,090,000)
Investment balance	43,374,152		$ 28,064,405
The Joint Venture Company [Member]
Investment balance	28,064,405		0
Investment in Peak Gold, LLC	15,450,000		34,380,000
Loss from equity investment in Peak Gold, LLC	(140,253)		(6,315,595)
Investment balance	$ 43,374,152	$ 0	$ 28,064,405