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Stock-Based Compensation (Narrative) (Details) - USD ($) |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 02, 2020 | Jan. 02, 2019 | Sep. 30, 2021 | Sep. 30, 2020 | May 15, 2018
The 2018 Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares authorized |  |  |  |  | 250,000
Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares granted |  | 24,500 |  |  |
Shares forfeited |  |  | 0 |  |
Vested period |  |  | 3 years |  |
Shares issued |  |  | 0 |  |
Stock based compensation expense |  |  | $ 80,000 | $ 88,000 |
Unrecognized stock based compensation expense |  |  | $ 26,000 |  |
Unrecognized expense period |  |  | 3 months |  |
Year One [Member] | Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Percentage of shares vested | 33.30% |  | 66.60% |  |

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