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Note 10 - Other Assets - Summary of Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Long term spare parts $ 494 $ 183
Long term deposits 286 396
Pension asset 380 607
Deferred tax asset, net 3,604 172
Other 244 171
Total $ 5,008 $ 1,529