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INVENTORIES
 3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
 
Inventories are stated at the lower of cost (first-in, first-out) or net realizable value. Significant cost elements included in inventory are material, labor, freight, subcontract costs, and manufacturing overhead. As necessary, we adjust inventory to its net realizable value by recording provisions for excess, slow moving and obsolete inventory. We regularly review inventory quantities on hand and values, and compare them to estimates of future product demand, market conditions, production requirements and technological developments.

Inventories consisted of the following at March 31, 2021:
DynaEnergeticsNobelCladDMC Global Inc.
Raw materials$14,616 $11,403 $26,019 
Work-in-process7,997 8,763 16,760 
Finished goods14,532 401 14,933 
Supplies— 232 232 
Inventories$37,145 $20,799 $57,944 

Inventories consisted of the following at December 31, 2020:

DynaEnergeticsNobelCladDMC Global Inc.
Raw materials$13,250 $11,903 $25,153 
Work-in-process7,062 6,682 13,744 
Finished goods12,806 669 13,475 
Supplies— 201 201 
Inventories$33,118 $19,455 $52,573