Note 5 - Investment in Peak Gold JV - Roll-forward of Investment in the Joint Venture Company (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Schedule of Equity Method Investments [Line Items]
Investment balance	$ 60,523,622
Investment in Peak Gold, LLC	0				$ 15,450,000
Income (loss) from equity investment in Peak Gold, LLC	22,320,034				(140,253)
Investment balance	58,843,656	$ 60,523,622
The Joint Venture Company [Member]
Schedule of Equity Method Investments [Line Items]
Investment balance	60,523,622	67,544,376	$ 54,468,519	$ 43,374,152	28,064,405
Investment in Peak Gold, LLC			4,050,000	11,790,000	15,450,000
Distributions received from Peak Gold, LLC	(24,000,000)	(21,000,000)	(19,500,000)
Income (loss) from equity investment in Peak Gold, LLC	22,320,034	13,979,245	28,525,857	(695,633)	(140,253)
Investment balance	$ 58,843,656	$ 60,523,622	$ 67,544,376	$ 54,468,519	$ 43,374,152