Stock-Based Compensation (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended |
|---|---|---|
Mar. 31, 2016 |
Sep. 30, 2017 |
|
| Unrecognized Share Based Compensation | $ 20 | |
| Number of Years To Recognize Remaining Expense | 3 years | |
| Chief Executive Officer [Member] | ||
| Granted, Number of Shares | 50,000 | |
| Stock Option Vesting Period | 4 years | |
| Vesting Percentage | 20%
|
|
| Options expiration from date of grant | 10 years |