Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Abstract]
Income tax provision (benefit)		$ 2,168
Net operating loss carryforwards	$ 12,988,000	12,885,000
Tax credit carryforwards	$ 306,000	$ 219,000
Federal statutory income tax rate	21.00%

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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