v3.21.2

Bank loan (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Bank loan |  |
Current maturities of long-term bank loans | $ 201 | $ 155
Long-term bank borrowings | 6,040 | 6,255
Loans Payable to Bank, Total | $ 6,241 | $ 6,410

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