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Note 2 - Summary of Significant Accounting Policies - Summary of Accrued Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accrued bonus |  | $ 3,716 | $ 3,747
Accrued vacation payable |  | 2,900 | 2,328
Foreign currency forward contracts |  | 661 | 1,150
Finance lease liabilities | [1] | 475 |
Workers compensation reserves |  | 366 | 237
Other |  | 16,380 | 8,977
Total accrued liabilities |  | 24,498 | 16,814
Accrued Liability [Member] |  |  |
Finance lease liabilities |  | 475 | 375
Workers compensation reserves |  | $ 400 | $ 200
[1] | Current portion of finance lease liabilities are included in Accrued liabilities.

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