16. CUSTOMER CONCENTRATION (Details Narrative) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Amounts due from major customers	$ 526,288	$ 20,508
Top 5 customers
Percent products sold to top five customers	84.80%
Natural gas customer
Percent products sold to top five customers	100.00%

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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