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18. FAIR VALUE OF FINANCIAL INSTRUMENTS
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
18. 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 December 31, 2020 and 2019.