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Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets - USD ($) $ in Thousands | Mar. 31, 2021 | Mar. 31, 2020
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Schedule of prepaid expenses and other current assets [Abstract] |  |
Prepaid expenses | $ 198 | $ 129
Payment in advance | 291 | 140
Deposits | 3 | 108
Other | 21 | 11
Less: expected credit loss provision |  |
Total | $ 513 | $ 388

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