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Inventories. (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of balances consisted inventory
   June 30,
2021
   December 31,
2020
 
Finished goods  $40,497   $25,154 
Work in progress   5,701    4,333 
Raw materials   10,788    7,074 
Other   1,265    1,364 
Total  $58,251   $37,925