Note 8 - Financial Highlights (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Financial Highlights [Table Text Block]

	Three Months Ended March 31,
	2026			2025
Net asset value per Share, beginning of period	$	22.46		$	25.24
Net investment loss(a)		(0.01	)		(0.01	)
Net realized and unrealized loss(b)		(6.58	)		(11.34	)
Net decrease in net assets from operations		(6.59	)		(11.35	)
Net asset value per Share, end of period	$	15.87		$	13.89
Total return, at net asset value(c)(d)		(29.34	)%		(44.97	)%
Ratio to average net assets:
Net investment loss(e)		(0.25	)%		(0.15	)%
Total expenses(e)		0.25	%		0.25	%
Total expenses after fees waived(e)		0.25	%		0.15	%