Income Tax (Schedule Of Statutory Income Tax Rate From Discontinued Operations) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Taxes (benefit) at Statutory Rate	$ 484,065	$ 1,631,172
Increase (Decrease) in Taxes Resulting From:
State Taxes, net of Federal Tax Benefit	$ 114,471	$ 263,914
Income Taxes (benefit) at Statutory Rate-Percent	21.00%	21.00%
Increase (Decrease) in Taxes Resulting From:
State Taxes, net of Federal Tax Benefit-Percent	5.00%	3.00%
Income Tax For Dicontinued Operations [Member]
Income Taxes (benefit) at Statutory Rate		$ 37,443
Increase (Decrease) in Taxes Resulting From:
State Taxes, net of Federal Tax Benefit		(76)
Graduated Tax Rates
Reduction in Federal Income Tax Rate
Other, Net
Income Taxes		$ 37,367
Income Taxes (benefit) at Statutory Rate-Percent		21.00%
Increase (Decrease) in Taxes Resulting From:
State Taxes, net of Federal Tax Benefit-Percent
Graduated Tax Rates-Percent
Reduction in Federal Income Tax Rate-Percent
Other, Net-Percent
Income Taxes-Percent		21.00%

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