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Note 3 - Investments (Details Textual) - USD ($)					3 Months Ended		12 Months Ended	84 Months Ended
	Mar. 30, 2026	Mar. 26, 2026	Dec. 31, 2025	Mar. 01, 2024	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2025
Income (Loss) from Equity Method Investments					$ (251,844)	$ 41,438
Proceeds from Issuance of Debt					0	10,000,000
Conversion of Sierra Springs Advances Into Sierra Springs Common Stock [Member]
Payments to Acquire Investments			$ 9,400,000		5,750,000
Debt Conversion, Original Debt, Amount	$ 2,000,000	$ 15,150,000			$ 15,150,000
Debt Conversion, Converted Instrument, Shares Issued (in shares)	3,076,923	23,307,692			23,307,692
Debt Conversion, Conversion Rate, Price Per Share (in dollars per share)	$ 0.65	$ 0.65			$ 0.65
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]
Income (Loss) from Equity Method Investments					$ (227,844)
Payments to Acquire Investments								$ 8,500,000
Investment Owned, Balance, Shares (in shares)			11,236,111		37,620,726		11,236,111	11,236,111
Subsidiary, Ownership Percentage, Noncontrolling Owner			16.99%		40.66%		16.99%	16.99%
Proceeds from Issuance of Debt					$ 5,750,000		$ 9,400,000
Investment, Maximum Exposure to Loss					$ 37,147,156
Green Li-ion Pte, Ltd. [Member]
Investment Owned, Balance, Shares (in shares)			35,662		35,662		35,662	35,662
Subsidiary, Ownership Percentage, Noncontrolling Owner			13.34%		13.34%		13.34%	13.34%
Unrealized Gain (Loss) on Investments					$ 0	0
Research and Development Company [Member]
Income (Loss) from Equity Method Investments				$ 1,290,614	(24,000)	41,438
Payable, Investment, Purchase					1,284,022
Payments to Acquire Equity Method Investments					$ 0	$ 0

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- Definition

The price per share of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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