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Inventory | 12 Months Ended
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Dec. 31, 2020
Inventory Disclosure [Abstract] |
Inventory | InventoryOur inventory, net of allowance for obsolescence of $221,000 and $24,000 at December 31, 2020 and 2019, respectively, consisted of the following:
| December 31,
| 2020 |  | 2019
| (in thousands)
Raw materials - current | $ | 18,026 |  |  | $ | 19,388 |
Work-in-process | 1,900 |  |  | 1,692 |
Finished goods | — |  |  | — |
Inventory - current | 19,926 |  |  | 21,080 |
Raw materials - long term (net of allowances of $221 and $24, respectively) | 1,065 |  |  | 1,068 |
Inventory - total | $ | 20,991 |  |  | $ | 22,148 |
Our long-term inventory consists of raw materials that remain viable but which the Company does not expect to sell within the next year. Inventory Allowance Given its concerns about the industry backdrop, Company management determined during 2019 that an increase of its inventory allowance was necessary. Due to the slow moving nature or obsolescence of a portion of its long-term inventory and inventory related to the retirement of rental equipment, management recorded a charge of $3.8 million to write off inventory that will not be recoverable in the future. For the year ended December 31, 2020, inventory allowance totaled $0.3 million. We ended 2020 with an inventory allowance balance of $221,000. A summary of our inventory allowance is as follows:
| Year Ended December 31,
| 2020 |  | 2019
| (in thousands)
Beginning balance | $ | (24) |  |  | $ | (19) |
Accruals | (251) |  |  | (3,758) |
Write-offs | 54 |  |  | 3,753 |
Ending balance | (221) |  |  | (24) |

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- References No definition available. + Details
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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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