Note 15 - Supplemental Cash Flow Information (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Interest Costs Capitalized Adjustment | $ 0 | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred. No definition available.
|