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Note 4 - Inventories, Net - Summary of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Pipe and connectors, net of allowance of $14,630 and $16,819, respectively $ 22,896 $ 22,642
Finished goods, net of allowance of $84 and $84, respectively 20,767 22,715
Work in progress 1,240 1,730
Raw materials, components and supplies, net of allowance of $181 and none, respectively 46,873 34,631
Total inventories, net $ 91,776 $ 81,718