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Property and Equipment | 12 Months Ended
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Dec. 31, 2020
Property, Plant and Equipment [Abstract] |
Property and Equipment | PROPERTY AND EQUIPMENT Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):
| At December 31,
| 2020 |  | 2019
Equipment (useful life 3 - 15 years) | $ | 1,281 |  |  | $ | 1,297 |
Tooling (useful life 2 - 5 years) | 240 |  |  | 203 |
Vehicles (useful life 5 years) | 47 |  |  | 47 |
Furniture and fixtures (useful life 5 years) | 137 |  |  | 137 |
Computer software (useful life 3 years) | 1,057 |  |  | 1,028 |
Leasehold improvements (the shorter of useful life or lease life) | 169 |  |  | 211 |
Finance lease right-of-use asset | 13 |  |  | 13 |
Construction in progress | 140 |  |  | 48 |
Property and equipment at cost | 3,084 |  |  | 2,984 |
Less: accumulated depreciation | (2,664) |  |  | (2,595) |
Property and equipment, net | $ | 420 |  |  | $ | 389 |
Depreciation expense was $0.2 million and $0.3 million for the years ended December 31, 2020 and 2019, respectively. In 2019, the Company ceased operations of the Taiwan affiliate and closed the Taiwan office. The net carrying value of the property and equipment of the office was immaterial. There were no impairment charges for property and equipment during 2020 and 2019.

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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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