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Note 10 - Inventory - Inventory Components (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Raw materials $ 15,242 $ 12,354
Work in process 4,871 6,331
Finished goods 1,439 1,313
Reserve for excess and obsolete inventory (1,633) (1,414)
Total $ 19,919 $ 18,584