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Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expense and other current assets - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Schedule of prepaid expense and other current assets [Abstract] |  |
Prepaid insurance | $ 255 | $ 223
Prepaid rent | 11 | 4
VAT receivable | 433 | 211
Advances | 216 |
Advances to suppliers | 43 | 51
Other | 203 | 226
Total prepaid expenses and other current assets | $ 1,161 | $ 715

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