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Note 5 - Inventory - Summary of Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Raw materials and supplies $ 1,031 $ 1,273
Finished goods 3,018 2,663
Less: Reserve for excess and obsolete inventory (556) (499)
Total inventory, net $ 3,493 $ 3,437