Note 19 - Segment Reporting (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-Based Payment Arrangement, Expense $ 48 $ 28 $ 83 $ 84