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Software, net (Tables) | 12 Months Ended
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Dec. 31, 2021
Research and Development [Abstract] |
Schedule of Capitalized Computer Software | Software, net consisted of the following:
|  | As of December 31,
|  | 2021 |  | 2020
Software |  | $ | 996 |  |  | $ | 992 |
Accumulated amortization |  | (879) |  |  | (849) |
Software, net |  | $ | 117 |  |  | $ | 143 |
Schedule of Software Amortization Expense | The following reflects intangible amortization expense included within D&A:
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Amortization expense | $ | 197 |  |  | $ | 207 |  |  | $ | 257 |
The following reflects amortization of software included within D&A:
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Amortization expense | $ | 81 |  |  | $ | 97 |  |  | $ | 107 |

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