Note 2 - Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Stock Issued	$ 621,312,812	$ 0
Investment Paid for Shares Redeemed	(820,369,484)	$ 0
Investment Paid for Redemption of Shares, Cost	1,011,388,564
Investment Company, Gain (Loss) on in-kind Redemption	$ (191,019,080)
Shares Prescribed Aggregation (in shares)	40,000