Note 11 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Domestic | $ (21,235) | $ (80,939) | $ 1,129 |
| Foreign | (3,535) | (10,314) | (18,099) |
| Loss before income taxes | $ (24,770) | $ (91,253) | $ (16,970) |