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17. FAIR VALUE OF FINANCIAL INSTRUMENTS
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
17. FAIR VALUE OF FINANCIAL INSTRUMENTS

The carrying values of financial instruments, which consist of cash, accounts receivable and accounts payable and other payables, approximate their fair values due to the short-term nature of these instruments.  There were no material unrecognized financial assets and liabilities as of March 31, 2021 and December 31, 2020.