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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2022
INVENTORIES  
Schedule of inventory

March 31, 

December 31, 

2022

2021

(in thousands)

Raw materials and supplies

$

83,001

$

77,709

Finished goods

1,380

 

1,274

Ending balance

$

84,381

$

78,983