Note 11 - Share-based Compensation - Stock-based Compensation (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Restricted share expense | $ 190 | $ 78 |
| Stock option and SARs expense | 807 | 879 |
| Total stock-based compensation expense | $ 997 | $ 957 |
| X | ||||||||||
- Definition Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of noncash expense for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|