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Inventories | 12 Months Ended
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Dec. 31, 2019
Inventory Disclosure [Abstract] |
Inventories | INVENTORIES Inventories at December 31 consisted of the following (in thousands):
| 2019 |  | 2018
Raw material | $ | 45,700 |  |  | $ | 57,845 |
Work-in-process | 5,988 |  |  | 6,930 |
Finished goods | 26,788 |  |  | 34,138 |
Total inventories | $ | 78,476 |  |  | $ | 98,913 |
The following table summarizes activity recorded within the reserve for excess, obsolete and slow moving inventory for the years ended December 31 (in thousands):
| 2019 |  | 2018 |  | 2017
Beginning balance | $ | 4,172 |  |  | $ | 3,695 |  |  | $ | 3,801 |
Excess, obsolete and slow moving inventory expense | 659 |  |  | 729 |  |  | 1,276 |
Scrapped inventory and other adjustments | (639 | ) |  | (252 | ) |  | (1,382 | )
Ending balance | $ | 4,192 |  |  | $ | 4,172 |  |  | $ | 3,695 |

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