Financial Highlights Per Share Performance (Tables)

9 Months Ended

Jun. 30, 2025

Investment Company [Abstract]

Summary of Per Share Data

	Three Months Ended June 30,						Nine Months Ended June 30,
	2025			2024			2025			2024
Per Share Data:
Principal Market NAV, beginning of period	$	0.75		$	1.29		$	0.70		$	0.68
Net decrease in net assets from investment operations:
Net investment loss		-			-			(0.02	)		(0.02	)
Net realized and unrealized loss		(0.13	)		(0.72	)		(0.06	)		(0.09	)
Net decrease in net assets resulting from operations		(0.13	)		(0.72	)		(0.08	)		(0.11	)
Principal Market NAV, end of period	$	0.62		$	0.57		$	0.62		$	0.57
Total return		-17.33	%		-55.81	%		-11.43	%		-16.18	%
Ratios to average net assets:
Net investment loss		-2.50	%		-2.50	%		-2.50	%		-2.50	%
Expenses		-2.50	%		-2.50	%		-2.50	%		-2.50	%