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Inventories | 3 Months Ended
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Mar. 31, 2022
Inventory Disclosure [Abstract] |
Inventories | (6) Inventories Components of inventories at March 31, 2022 and December 31, 2021 are summarized as follows:
(in thousands) | March 31, 2022 |  | December 31, 2021
Raw materials | $ | 24,665 |  |  | $ | 23,530 |
Work in process | 8,463 |  |  | 5,173 |
Finished goods and parts | 68,519 |  |  | 64,184 |
Inventories | $ | 101,647 |  |  | $ | 92,887 |
We record a reserve to the carrying value of our inventory to reflect the rapid technological change in our industry that impacts the market for our products. The inventory reserve was $15,877 and $16,509 as of March 31, 2022 and December 31, 2021, respectively. At March 31, 2022, our obligation to repurchase inventory, included in accrued and other liabilities on our condensed consolidated balance sheets, was $2,581, relating to the sale of inventory to an assembly manufacturer and we had a commitment of $5,775 with the assembling manufacturer to purchase certain materials and supplies they acquired from third parties. At March 31, 2022, inventory held at assemblers was $537. Additionally, $21 and $456 of inventory was transferred to property and equipment during the quarters ended March 31, 2022 and 2021, respectively.

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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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