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INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2020
Inventory Disclosure [Abstract] |
Schedule of Carrying Values of Inventories | The carrying values of inventories were as follows (in thousands):
| December 31, 2020 |  | December 31, 2019
Finished goods | $ | 114,029 |  |  | $ | 122,510 |
Work in process | 8,519 |  |  | 19,721 |
Obsolescence reserve | (25,477) |  |  | (12,867) |
Inventories | $ | 97,071 |  |  | $ | 129,364 |

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