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Stock-Based Compensation (Schedule of Stock-Based Compensation) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Stock-Based Compensation [Abstract]        
Stock-based compensation expense $ 170 $ 172 $ 325 $ 302
Excess tax benefits (deficiencies) related to stock-based compensation (1) 2 21 45
Unrecognized stock-based compensation expense $ 279 $ 461 $ 279 $ 461
Weighted average period unrecognized expense is expected to be recognized     9 months 18 days 8 months 12 days