Commitments And Contingencies (Schedule Of Supplemental Lease Information) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Commitments And Contingencies [Abstract]
Current operating lease liabilities	$ 827	$ 774
Non-current operating lease liabilities	9,618	$ 10,040
Total lease liabilities	10,445
Cash paid for operating lease liabilities	$ 894
Weighted average remaining lease term	7 years 4 months 2 days
Weighted average discount rate	10.00%