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Note 8 - Other Current Assets - Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Prepaid expenses | $ 911 | $ 835
Contract assets | 1,240 | 906
Other | 1,797 | 2,541
Total | $ 3,948 | $ 4,282

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