Income Taxes (Narrative) (Details) - USD ($)	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Unrecognized tax benefits	$ 0	$ 0
Federal net operating loss carryforwards		35,800,000
Federal tax rate	21.00%
Refundable credits		260,000
Estimated annual effective tax rate	0.00%
Tax Period Between 2019 And 2037 [Member]
Income Taxes [Line Items]
Federal net operating loss carryforwards		34,800,000
Indefinite Tax Period [Member]
Income Taxes [Line Items]
Federal net operating loss carryforwards		$ 1,000,000
Minimum [Member] \| Tax Period Between 2019 And 2037 [Member]
Income Taxes [Line Items]
Federal net operating loss carryforwards expiration between, years	Jan. 01, 2019
Maximum [Member] \| Tax Period Between 2019 And 2037 [Member]
Income Taxes [Line Items]
Federal net operating loss carryforwards expiration between, years	Dec. 31, 2037

Effective Income Tax Rate Reconciliation, Estimated Annual Tax Rate

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Income Taxes [Line Items]

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

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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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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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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Amount of unrecognized tax benefits.

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