13. CONCENTRATIONS (Details) - Customer Concentration Risk			9 Months Ended
Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue Benchmark \| Three Major Customers
Concentration Risk, Percentage			48.00%	52.00%
Accounts Receivable \| Three Customers
Concentration Risk, Percentage	49.00%	34.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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