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13. BUSINESS SEGMENTS (Details 2) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 4,594 | $ 47,531,989 | $ 2,251,861 | $ 80,320,482
Shandong Morui Chemical Company Limited [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 689,000 | $ 9,724,000 |  |
Percentage of Total Revenue (%) | 30.60% | 12.10% |  |
Shandong Morui Chemical Company Limited [Member] | Bromine Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 0 | $ 5,705,000 |  |
Shandong Morui Chemical Company Limited [Member] | Crude Salt Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 534,000 | 1,251,000 |  |
Shandong Morui Chemical Company Limited [Member] | Chemical Products Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 155,000 | $ 2,768,000 |  |
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 670,000 |  |  |
Percentage of Total Revenue (%) | 29.80% |  |  |
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Bromine Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 0 |  |  |
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Crude Salt Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 670,000 |  |  |
Shandong Brother Technology Limited, Kuerle Xingdong Trading Limited | Chemical Products Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 0 |  |  |
Shouguang Weidong Chemical Company Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 435,000 |  |  |
Percentage of Total Revenue (%) | 19.30% |  |  |
Shouguang Weidong Chemical Company Limited | Bromine Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 0 |  |  |
Shouguang Weidong Chemical Company Limited | Crude Salt Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | 435,000 |  |  |
Shouguang Weidong Chemical Company Limited | Chemical Products Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenues | $ 0 |  |  |

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