Income Taxes (Schedule Of Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Accrued expenses and other	$ 104	$ 99
Net operating losses carried forward for federal income tax purposes	814	1,295
Net operating losses carried forward for state income tax purposes	579	182
AMT	123
Book depreciation in excess of tax depreciation		38
Subtotal deferred tax assets	1,620	1,614
Valuation allowance	(454)	(1,551)
Total deferred tax assets	1,166	63
Tax depreciation in excess of book depreciation	363
Atlanta JV bases difference	143	63
Total deferred tax liabilities	506	63
Net deferred tax assets	$ 660