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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories were as follows:

(U.S. Dollars, in thousands)

 

March 31,
2022

 

 

December 31,
2021

 

Raw materials

 

$

11,263

 

 

$

9,589

 

Work-in-process

 

 

14,477

 

 

 

15,096

 

Finished products

 

 

24,553

 

 

 

15,149

 

Field/consignment

 

 

38,539

 

 

 

43,140

 

Inventories

 

$

88,832

 

 

$

82,974