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Note 5 - Inventories - Components of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Finished Goods $ 10,619 $ 9,737
Raw Materials 7,006 8,510
Total Inventories 17,625 18,247
Current portion 10,856 10,653
Long-term portion $ 6,769 $ 7,594