Financial Highlights Per Share Performance (Tables)

9 Months Ended

Mar. 31, 2022

Investment Company, Financial Highlights [Abstract]

Summary of Per Share Data

	Three Months Ended March 31,						Nine Months Ended March 31,
	2022			2021			2022			2021
Per Share Data:
Net asset value, beginning of period	$	3.82		$	3.19		$	4.79		$	2.09
Net (decrease) increase in net assets from investment operations:
Net investment loss		(0.02	)		(0.03	)		(0.08	)		(0.07	)
Net realized and unrealized (loss) gain		(0.39	)		1.71			(1.30	)		2.85
Net (decrease) increase in net assets resulting from operations		(0.41	)		1.68			(1.38	)		2.78
Net asset value, end of period	$	3.41		$	4.87		$	3.41		$	4.87
Total return		-36.90	%		456.11	%		-36.41	%		208.60	%
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	%