Income Taxes (Schedule of Deferred Tax Assets and Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Accrued expenses and other	$ 84	$ 104
Net operating losses carried forward for federal income tax purposes	1,004	814
Net operating losses carried forward for state income tax purposes	615	579
AMT	117	123
Subtotal deferred tax assets	1,820	1,620
Valuation allowance	(483)	(454)
Total deferred tax assets	1,337	1,166
Tax depreciation in excess of book depreciation	714	363
Atlanta JV bases difference	223	143
Total deferred tax liabilities	937	506
Net deferred tax assets	$ 400	$ 660