Leases (Supplemental Balance Sheet Disclosure Related To Right-of-use Assets And Operating Leases Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Leases [Abstract]
Operating lease right-of-use asset	$ 4,870	$ 5,395	[1]
Weighted average remaining lease term (years)	2 years 10 months 13 days	3 years 11 months 8 days
Weighted average discount rate	10.00%	9.00%

[1] Derived from audited financial statements.