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Inventories | 3 Months Ended
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Mar. 31, 2019
Inventory Disclosure [Abstract] |
Inventories | 4. Inventories Inventories were as follows:
(U.S. Dollars, in thousands) |  | March 31, 2019 |  |  | December 31, 2018 |
Raw materials |  | $ | 8,359 |  |  | $ | 8,463 |
Work-in-process |  |  | 10,442 |  |  |  | 13,478 |
Finished products |  |  | 60,327 |  |  |  | 54,906 |
Inventories |  | $ | 79,128 |  |  | $ | 76,847 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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