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Inventory | 3 Months Ended
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Mar. 31, 2018
Inventory Disclosure [Abstract] |
Inventory | Inventory Inventory is stated at the lower of cost (average cost) or net realizable value. The Company periodically reviews the quantities and carrying values of its inventory to assess recoverability. The costs associated with write‑downs for excess quantities, technological obsolescence, or component rejections are charged to cost of revenues as incurred and result in a new cost basis for that item in inventory. The components of inventory are as follows:
| March 31, |  | December 31,
(in thousands) | 2018 |  | 2017
Raw materials | $ | 11,779 |  |  | $ | 11,326 |
Work in process and semi-finished goods | 13,549 |  |  | 6,039 |
Finished goods | 10,023 |  |  | 12,205 |
| $ | 35,351 |  |  | $ | 29,570 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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