Operating Segments (Reconciliation Of Reportable Segments Measure Of Profit Or Loss To Loss Before Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	$ (9,421)		$ (14,292)	$ (30,073)	$ (40,272)
Depreciation and amortization	463		1,132	2,084	3,129
Change in fair value of equity securities	0		10,814	0	25,942
Gain related to fair value adjustment to currency options	6,120	$ (2,400)	0	3,691	0
Gain on disposal of equity securities	720		0	720	0
Loss on disposal of equity-accounted investments	(346)		0	(346)	(13)
Loss on disposal of equity-accounted investment	0		(472)	0	(472)
Interest income	761		606	1,463	1,934
Interest expense	(691)		(744)	(2,272)	(2,168)
Loss before income taxes expense (benefit)	(2,857)		(4,088)	(26,817)	(15,049)
Lease Adjustments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	890		1,104	2,647	2,991
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	(5,508)		(10,652)	(16,567)	(25,209)
Depreciation and amortization	446		1,040	2,033	2,868
Corporate/Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating loss	(2,560)		(1,404)	(8,775)	(8,943)
Depreciation and amortization	$ (17)		$ (92)	$ (51)	$ (261)