Long-Term Debt And Lease Liabilities (Supplemental Balance Sheet Information Related To Leases) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Long-Term Debt And Lease Liabilities [Abstract]
Right of use asset - operating leases	$ 70
Lease liabilities - current	60
Lease liabilities - noncurrent	10
Total operating lease liabilities	70
Other property and equipment, gross	267
Accumulated depreciation	(108)
Other property and equipment, net	159
Lease liabilities - current	64
Lease liabilities - noncurrent	33
Total finance lease liabilities	$ 97