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Equipment and Leasehold Improvements | 12 Months Ended
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Dec. 31, 2019
Property, Plant and Equipment [Abstract] |
Equipment and Leasehold Improvements |
(6) | Equipment and Leasehold Improvements Equipment and leasehold improvements consist of the following:
|  | As of December 31, |
|  | 2019 |  |  | 2018 |
Machinery and equipment |  | $ | 16,126 |  |  | $ | 15,513 |
Office equipment |  |  | 855 |  |  |  | 840 |
Office furniture |  |  | 110 |  |  |  | 110 |
Leasehold improvements |  |  | 4,839 |  |  |  | 4,839 |
Construction in progress |  |  | 163 |  |  |  | 97 |
|  |  | 22,093 |  |  |  | 21,399 |
Less: Accumulated depreciation and amortization |  |  | (19,838 | ) |  |  | (19,534 | )
|  | $ | 2,255 |  |  | $ | 1,865 |
Depreciation expense was $305 and $305, for the years ended December 31, 2018 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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