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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2012
Proceeds from sale of common stock |  |  | $ 22,500,000
Net operating loss carry forwards | $ 22,579,000 |  |
Carryforwards utilize limit before the stock offering closed | 163,000 |  |
Unutilized operating loss carryforwards that will expire | 20,520,000 |  |
Reduced deferred tax assets and valuation allowance | 6,977,000 |  |
Deferred tax liability to be recorded | $ 473,000 |  |
Federal statutory income tax rate | 21.00% | 21.00% |
Additional bad debt deductions | $ 2,250,000 |  |
Deferred tax asset | 1,721,000 | $ 1,560,000 |
Deferred tax asset, valuation allowance | 0 |  |
Unrecognized tax benefits | $ 0 | $ 0 |
Minimum [Member] |  |  |
Net operating loss carryforwards expiration year | 2024 |  |
Maximum [Member] |  |  |
Net operating loss carryforwards expiration year | 2033 |  |

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