Note 15 - Share-based Compensation - Share-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Total share-based compensation expense | $ 2,627 | $ 3,129 | $ 7,243 | $ 8,922 |
| Cost of Sales [Member] | ||||
| Total share-based compensation expense | 121 | 222 | 371 | 689 |
| Research and Development Expense [Member] | ||||
| Total share-based compensation expense | 343 | 489 | 1,019 | 1,682 |
| Selling and Marketing Expense [Member] | ||||
| Total share-based compensation expense | 231 | 272 | 643 | 820 |
| General and Administrative Expense [Member] | ||||
| Total share-based compensation expense | $ 1,932 | $ 2,146 | $ 5,210 | $ 5,731 |