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Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2023	Jun. 30, 2022
Valuation Allowance [Line Items]
Liability for uncertain tax positions	$ 0	$ 0
Accrued interest related to uncertain tax positions	0	0
Unrecognized tax benefits	0	0
Unrecognized tax benefit that would impact effective tax rate	0	$ 0
South Africa [Member]
Valuation Allowance [Line Items]
Statutory income tax rate		27.00%	28.00%
Changes in enacted tax rate	$ (1,300,000)	$ (1,300,000)

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of unrecognized tax benefits.

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Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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