Common Stock (Narrative) (Details) - USD ($) |
Dec. 31, 2020 |
Aug. 31, 2019 |
|---|---|---|
| Common Stock [Abstract] | ||
| Amount authorized to be repurchased | $ 2,000,000 | |
| Remaining amount authorized to be repurchased | $ 341,000 |
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- References No definition available.
|