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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2020
Inventory Disclosure [Abstract] |
Schedule of Inventories | Inventories are valued at the lower of cost or estimated net realizable value, after provision for excess, obsolete or impaired items, which is reviewed and updated on a periodic basis by management. For inventory procured or produced, whether internally or through contract manufacturing arrangements, at our manufacturing facility in Italy, cost is determined on a weighted-average basis, which approximates the first-in, first-out (“FIFO”) method. For inventory procured or produced, whether internally or through contract manufacturing arrangements, at our manufacturing facilities in Texas and California, standard costs, which approximates actual cost on the FIFO method, is used to value inventory. Standard costs are reviewed annually by management, or more often in the event circumstances indicate a change in cost has occurred. Work-in-process, finished products, and field/consignment inventory include material, labor and production overhead costs. Field/consignment inventory represents immediately saleable finished products inventory that is in the possession of the Company’s independent sales representatives or located at third party customers, such as distributors and hospitals.
|  | December 31, |
(U.S. Dollars, in thousands) |  | 2020 |  |  | 2019 |
Raw materials |  | $ | 8,442 |  |  | $ | 9,587 |
Work-in-process |  |  | 12,149 |  |  |  | 14,027 |
Finished products |  |  | 29,142 |  |  |  | 20,712 |
Field/consignment |  |  | 34,902 |  |  |  | 38,071 |
Inventories |  | $ | 84,635 |  |  | $ | 82,397 |

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