Long-Term Debt And Lease Liabilities (Maturity Analysis For Operating and Finance Lease Liabilities) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Long-Term Debt And Lease Liabilities [Abstract]
2019 (July 2019 - December 2019)	$ 31
2020	42
Total lease payments	73
Less imputed interest	(3)
Total operating lease liabilities	70
2019 (July 2019 - December 2019)	41
2020	43
2021	20
Total lease payments	104
Less imputed interest	(7)
Total finance lease liabilities	$ 97