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Note 9 - Other Assets - Summary of Other Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Long term spare parts | $ 455 | $ 494
Long term deposits | 280 | 286
Pension asset | 595 | 380
Deferred tax asset, net | 2,548 | 3,604
Other | 292 | 244
Other assets | $ 4,170 | $ 5,008

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