Income Taxes (Schedule of Deferred Tax Assets and Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Accrued expenses and other	$ 101	$ 100
Net operating losses carried forward for federal income tax purposes	1,951	374
Net operating losses carried forward for state income tax purposes	424	455
AMT		58
Subtotal deferred tax assets	2,476	987
Valuation allowance	(1,742)	(359)
Total deferred tax assets	734	628
Tax depreciation in excess of book depreciation	734	909
Atlanta JV bases difference		140
Total deferred tax liabilities	734	1,049
Net deferred tax (liabilities)		$ (421)
Net deferred tax assets