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12. INCOME TAXES (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Current tax expense    
US Federal $ 0 $ 0
State and local 11,752 10,792
Foreign 14,964 14,073
Total current tax expense 26,716 24,865
Deferred tax expense (benefit)    
US Federal 0 0
State and local 0 0
Foreign 0 0
Total deferred tax expense (benefit) 0 0
Total tax expense    
US federal 0 0
State and local 11,752 10,792
Foreign 14,964 14,073
Total $ 26,716 $ 24,865