Note 10 - Other Assets - Other Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2020 |
Dec. 31, 2019 |
---|---|---|
Other Assets | $ 219 | $ 14 |
Utility Deposits [Member] | ||
Other Assets | 14 | 14 |
Prepaid Lease Costs and Long-term Receivables [Member] | ||
Other Assets | $ 205 |