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Note 12 - Long-term Deposits and Prepayments
3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Long-term Prepayments [Text Block]
12.
Long-term deposits and prepayments
 
As of
March 31, 2021,
long-term deposits and prepayments represented a portion of the Company's deposits and prepayments that were
not
expected to be refunded or consumed within
one
year of
March 31, 2021.