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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