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ACCRUED AND OTHER CURRENT LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Payables and Accruals [Abstract] |
Schedule of Accrued and Other Current Liabilities | Accrued and other current liabilities consist of the following as of December 31, 2021 and 2020 (in thousands):
| 2021 |  | 2020
Payroll and related benefits | $ | 1,876 |  |  | $ | 777 |
Materials and related purchases | 2,108 |  |  | 464 |
Deferred rent | 142 |  |  | 462 |
Professional and consulting fees | 1,820 |  |  | 248 |
Other | 541 |  |  | 243 |
Total accrued and other current liabilities | $ | 6,487 |  |  | $ | 2,194 |

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