Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Inventory - Inventory (Details)

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Note 4 - Inventory - Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Finished goods $ 2 $ 47
Work in process 252 322
Raw materials 881 888
Total inventory $ 1,135 $ 1,257