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Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expense and other current assets - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Schedule of prepaid expense and other current assets [Abstract] |  |
Prepaid insurance | $ 189 | $ 255
Prepaid rent | 6 | 11
VAT receivable | 345 | 433
Advances | 3 | 216
Advances to suppliers | 38 | 43
Other | 255 | 203
Total prepaid expenses and other current assets | $ 836 | $ 1,161

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