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15. BUSINESS SEGMENTS (Details 2) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues	$ 10,482,185	$ 4,548,542	$ 16,399,338	$ 10,596,521
Shandong Morui Chemical Company Limited
Revenues	$ 2,375,000	$ 946,000	$ 3,575,000	$ 2,378,000
Percentage of total revenue (%)	22.70%	20.80%	21.80%	22.60%
Shandong Morui Chemical Company Limited | Bromine Segment
Revenues	$ 1,911,000	$ 843,000	$ 2,790,000	$ 2,203,000
Shandong Morui Chemical Company Limited | Crude Salt Segment
Revenues	464,000	103,000	785,000	175,000
Shandong Morui Chemical Company Limited | Chemical Products Segment
Revenues	0	0	0	0
Shandong Brother Technology Limited
Revenues	$ 1,649,000	$ 613,000	$ 2,558,000	$ 1,783,000
Percentage of total revenue (%)	15.70%	13.50%	15.60%	16.90%
Shandong Brother Technology Limited | Bromine Segment
Revenues	$ 1,197,000	$ 529,000	$ 1,806,000	$ 1,629,000
Shandong Brother Technology Limited | Crude Salt Segment
Revenues	452,000	84,000	752,000	154,000
Shandong Brother Technology Limited | Chemical Products Segment
Revenues	0	0	0	0
Shouguang Weidong Chemical Company Limited
Revenues	$ 1,649,000	$ 590,000	$ 2,947,000	$ 1,731,000
Percentage of total revenue (%)	15.70%	13.00%	18.00%	16.40%
Shouguang Weidong Chemical Company Limited | Bromine Segment
Revenues	$ 1,266,000	$ 500,000	$ 2,313,000	$ 1,539,000
Shouguang Weidong Chemical Company Limited | Crude Salt Segment
Revenues	383,000	90,000	634,000	192,000
Shouguang Weidong Chemical Company Limited | Chemical Products Segment
Revenues	0	0	0	0
Dongying Bomeite Chemical Company Limited
Revenues	$ 1,082,000	$ 557,000	$ 1,689,000	$ 1,098,000
Percentage of total revenue (%)	10.30%	12.20%	10.30%	10.40%
Dongying Bomeite Chemical Company Limited | Bromine Segment
Revenues	$ 1,082,000	$ 557,000	$ 1,689,000	$ 1,098,000
Dongying Bomeite Chemical Company Limited | Crude Salt Segment
Revenues	0	0	0	0
Dongying Bomeite Chemical Company Limited | Chemical Products Segment
Revenues	0	0	0	0
Shandong Shouguang Shenrunfa Ocean Chemical Company
Revenues	$ 1,174,000	$ 525,000	$ 1,942,000	$ 1,297,000
Percentage of total revenue (%)	11.20%	11.50%	11.80%	12.30%
Shandong Shouguang Shenrunfa Ocean Chemical Company | Bromine Segment
Revenues	$ 1,174,000	$ 525,000	$ 1,942,000	$ 1,297,000
Shandong Shouguang Shenrunfa Ocean Chemical Company | Crude Salt Segment
Revenues	0	0	0	0
Shandong Shouguang Shenrunfa Ocean Chemical Company | Chemical Products Segment
Revenues	$ 0	$ 0	$ 0	$ 0

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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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