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v3.21.1

Property, Plant and Equipment | 3 Months Ended
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Mar. 31, 2021
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment consist of the following (in thousands):
|  |  | As of
| Useful life (years) |  | March 31, 2021 |  | December 31, 2020
Automobile | 3 |  | $ | 64 |  |  | $ | 34 |
Computer hardware and software | 3-5 |  | 5,046 |  |  | 4,840 |
Manufacturing and lab equipment | 2-7 |  | 71,663 |  |  | 69,849 |
Office equipment and furniture | 5-7 |  | 1,769 |  |  | 1,605 |
Leasehold and building improvements | 2-12 |  | 22,628 |  |  | 21,934 |
Buildings | 30 |  | 9,392 |  |  | 9,081 |
Land | N/A |  | 3,399 |  |  | 3,399 |
|  |  | 113,961 |  |  | 110,742 |
Accumulated depreciation |  |  | (67,834) |  |  | (66,262) |
|  |  | $ | 46,127 |  |  | $ | 44,480 |

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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