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Inventories, net (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory Inventories at June 30, 2020 and December 31, 2019 were as follows (in thousands):
June 30,December 31,
20202019
Pipe and connectors, net of allowance of $17,823 and $18,287, respectively
$22,551  $21,779  
Finished goods, net of allowance of $128 and $485, respectively
22,586  25,628  
Work in progress4,929  3,663  
Raw materials, components and supplies29,791  27,759  
Total inventories, net$79,857  $78,829