Note 8 - Financial Highlights (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Financial Highlights [Table Text Block]

	Three Months Ended March 31,
	2024			2023
Net asset value per Share, beginning of period	$	21.78		$	22.03
Net investment loss(a)		(0.03	)		(0.03	)
Net realized and unrealized gain (loss)(b)		0.69			(0.05	)
Net increase (decrease) in net assets from operations		0.66			(0.08	)
Net asset value per Share, end of period	$	22.44		$	21.95
Total return, at net asset value(c)(d)		3.03	%		(0.36	)%
Ratio to average net assets:
Net investment loss(e)		(0.50	)%		(0.50	)%
Expenses(e)		0.50	%		0.50	%