Capital Stock, Stock Plans and Stock-based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Allocated stock-based compensation | $ 45 | $ 19 | $ 91 | $ 41 |
| Employee Stock Options [Member] | ||||
| Allocated stock-based compensation | 37 | 11 | 73 | 21 |
| Director Stock Options [Member] | ||||
| Allocated stock-based compensation | $ 8 | $ 8 | $ 18 | $ 20 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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