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Restricted Cash (Tables) | 3 Months Ended
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Mar. 31, 2022
Restricted Cash [Abstract] |
Restricted Cash | The Company’s restricted cash balances are as follows:
|  | March 31, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Restricted cash from customer deposit |  | $ | 282 |  |  | $ | 282 |
Restricted cash to collateralize standby letters of credit |  |  | 103 |  |  |  | 1,133 |
Restricted cash equivalents to collateralize standby letters of credit |  |  | 3,542 |  |  |  | 3,542 |
Restricted cash equivalents - other |  |  | 438 |  |  |  | - |
Total restricted cash and restricted cash equivalents |  | $ | 4,365 |  |  | $ | 4,957 |

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