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Inventories
12 Months Ended
Dec. 31, 2021
Inventories  
Inventories

4. Inventories

Inventories, net consist of the following:

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December 31,

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2021

      

2020

Work in process

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$

973

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$

961

Finished goods

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11,480

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12,312

Supplies and parts

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7,028

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5,473

Less: Allowance for obsolescence

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(4,266)

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(4,432)

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15,215

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14,314

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