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Property and Equipment | 3 Months Ended
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Mar. 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):
| March 31, 2020 |  | December 31, 2019
Equipment (useful life 3 to 15 years) | $ | 1,297 |  |  | $ | 1,297 |
Tooling (useful life 2 to 5 years) | 203 |  |  | 203 |
Vehicles (useful life 5 years) | 47 |  |  | 47 |
Furniture and fixtures (useful life 5 years) | 137 |  |  | 137 |
Computer software (useful life 3 years) | 1,028 |  |  | 1,028 |
Leasehold improvements (the shorter of useful life or lease life) | 211 |  |  | 211 |
Finance lease right-of-use asset | 13 |  |  | 13 |
Projects in progress | 95 |  |  | 48 |
Property and equipment at cost | 3,031 |  |  | 2,984 |
Less: accumulated depreciation | (2,641) |  |  | (2,595) |
Property and equipment, net | $ | 390 |  |  | $ | 389 |
Depreciation expense was $46 thousand and $105 thousand for the three months ended March 31, 2020 and 2019, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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