Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Valuation Allowance [Line Items]
Statutory income tax rate	27.00%	28.00%	28.00%
Unrecognized tax benefit	$ 0	$ 0
Income tax expense	(2,309,000)	327,000	$ 7,560,000
Loss before income taxes	(32,266,000)	(39,900,000)	(5,619,000)
Foreign tax credits generated-United States	115,000	62,000	$ 10,000
Deferred tax assets	6,654,000	3,862,000
Unused foreign tax credits	$ 0	$ 0
Effective tax rate	7.16%	(0.83%)	(134.55%)
Changes in enacted tax rate	$ 0	$ 0	$ 0
Valuation allowance	109,120,000	117,101,000
Deferred tax benefit	(7,442,000)	$ (2,044,000)	$ 6,691,000
Connect [Member]
Valuation Allowance [Line Items]
Deferred tax benefit	$ (2,000,000.0)
South Africa [Member]
Valuation Allowance [Line Items]
Statutory income tax rate	27.00%	28.00%	28.00%
Income tax expense	$ 1,300,000
Loss before income taxes	(21,308,000)	$ (31,266,000)	$ (30,825,000)
Tax rate used to measure deferred tax liability		21.00%
Deferred tax benefit	(7,490,000)	$ (2,154,000)	(2,039,000)
United States [Member]
Valuation Allowance [Line Items]
Loss before income taxes	(10,755,000)	(8,509,000)	(6,686,000)
Deferred tax benefit	0	0	$ 9,136,000
Cell C [Member]
Valuation Allowance [Line Items]
Fair value of investment	0.0	0.0
CPS [Member]
Valuation Allowance [Line Items]
Fair value of investment	$ 0.0	$ 0.0