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Stock-based Compensation, Summary of Plans (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 29, 2020 | Feb. 28, 2019 | Jan. 31, 2019 | Sep. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Jul. 25, 2018
Stock Options [Member] |  |  |  |  |  |  |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  | $ 10 |  | $ 29 |  | $ 10 | $ 29 |
Period of recognition for unrecognized compensation cost |  |  |  |  |  |  |  | 5 months |  |
2018 LTIP [Member] |  |  |  |  |  |  |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |
Contractual term of option awards |  |  |  |  |  |  |  | 10 years |  |
Maximum number of shares that can be awarded (in shares) |  |  |  |  |  |  |  |  |  | 1,293,109
Aggregate number of shares awarded to date under the plan (in shares) |  |  |  | 629,267 |  |  |  | 629,267 |  |
Shares available for awards (in shares) |  |  |  | 663,842 |  |  |  | 663,842 |  |
2018 LTIP [Member] | Directors [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |
Number of shares awarded (in shares) | 30,930 |  | 42,168 |  |  |  |  |  |  |
Stock based compensation expense |  |  |  |  | $ 45 |  | $ 52 |  |  |
2018 LTIP [Member] | Officers and Employees [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Stock-based Compensation [Abstract] |  |  |  |  |  |  |  |  |  |
Number of shares awarded (in shares) | 140,218 | 428,797 |  |  |  |  |  |  |  |
Vesting period of stock award | 2 years | 2 years |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  | $ 90 |  |  |  | $ 251 |  |
Unrecognized compensation cost |  |  |  | $ 251 |  |  |  | $ 251 |  |
Period of recognition for unrecognized compensation cost |  |  |  |  |  |  |  | 17 months |  |

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