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v3.22.1

Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
Property and Equipment, Net | 4. Property and Equipment, Net Property and equipment, net consisted of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Leasehold improvements |  |  | 1,636 |  |  |  | 1,636 |
Manufacturing equipment |  |  | 1,338 |  |  |  | 1,338 |
Computer software and equipment |  | $ | 507 |  |  | $ | 507 |
Office furniture and equipment |  |  | 425 |  |  |  | 424 |
Construction-in-progress |  |  | — |  |  |  | 40 |
|  |  | 3,906 |  |  |  | 3,945 |
Less: Accumulated depreciation and amortization |  |  | (2,880 | ) |  |  | (2,276 | )
|  | $ | 1,026 |  |  | $ | 1,669 |
Property and equipment additions during the year ended December 31, 2021 and 2020 primarily related to office furniture and equipment and construction-in-progress related to the expansion of Company’s leased office space (see Note 5). Depreciation and amortization expense was $0.6 million and $0.8 million for the years ended December 31, 2021 and 2020, respectively.

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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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