Note 7 - Intangible Assets, Net (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Amortization of Intangible Assets, Total | $ 182 | $ 18 | |
| Impairment, Long-Lived Asset, Held-for-Use, Total | 0 | $ 0 | |
| Computer Software, Intangible Asset [Member] | |||
| Impairment, Long-Lived Asset, Held-for-Use, Total | $ 170 | $ 170 | |