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Common Stock (Details) - USD ($) | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | May 14, 2019 | May 13, 2019 | May 06, 2014
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, shares authorized | 20,000,000 |  | 20,000,000 | 20,000,000 | 10,000,000 |
2014 Restricted Stock Plan [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares authorized per plan |  |  |  |  |  | 100,000
Shares granted | 57,655 |  |  |  |  |
Allocated share-based compensation expense | $ 96,000 | $ 80,000 |  |  |  |
Shares forfeited and available for reissuance | 2,446 |  |  |  |  |
Restricted shares vested during period | 27,270 |  |  |  |  |
Granted shares unvested | 27,939 |  |  |  |  |
Shares forfeited | 100 | 0 |  |  |  |
Treasury Stock Repurchase Program [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Stock repurchase program, authorized amount | $ 15,000,000 |  |  |  |  |
Percentage of outstanding shares based on closing stock price | 8.70% |  |  |  |  |
Stock repurchase program expiration date | Mar. 19, 2021 |  |  |  |  |
Stock repurchased during period, shares | 0 |  |  |  |  |

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