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7. LEASES (Details 4) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
April 1 - December 31, 2021 $ 114,148  
December 31, 2022 155,621  
December 31, 2023 160,290  
December 31, 2024 165,098  
December 31, 2025 170,051  
Thereafter 575,131  
Total minimum lease payments 1,340,340  
Less: interest 324,875  
Present value of lease obligations 1,015,465 $ 1,034,413
Less: current portion 83,768 81,223
Long-term operating lease, net of current portion $ 931,697 $ 953,190