Income Tax (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Valuation Allowance [Line Items]
Statutory income tax rate	27.00%	27.00%	28.00%
Unrecognized tax benefit	$ 0	$ 0
Income tax expense (benefit)	3,363,000	(2,309,000)	$ 327,000
Loss before income tax expense (benefit)	(12,798,000)	(32,266,000)	$ (39,900,000)
Deferred tax assets	5,692,000	6,654,000
Unused foreign tax credits	$ 0	$ 0
Effective tax rate	(26.28%)	7.16%	(0.83%)
Changes in enacted tax rate	$ 0		$ 0
Valuation allowance	114,687,000	$ 109,120,000
Deferred tax benefit	$ (2,712,000)	(7,442,000)	$ (2,044,000)
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%	27.00%	28.00%
Income tax expense (benefit)		$ (1,300,000)
Loss before income tax expense (benefit)	$ (4,405,000)	(21,308,000)	$ (31,266,000)
Deferred tax benefit	(2,716,000)	(7,490,000)	(2,154,000)
United States [Member]
Valuation Allowance [Line Items]
Loss before income tax expense (benefit)	(8,705,000)	(10,755,000)	$ (8,509,000)
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