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15. BUSINESS SEGMENTS (Details 2) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Revenue, Major Customer [Line Items] |  |  |  |
Revenue from major customer | $ 49,350,070 | $ 31,752,814 | $ 84,260,899 | $ 57,344,990
Shandong Maroi Chemical Company Limited [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenue from major customer | $ 5,086,000 | $ 5,133,000 | $ 8,951,000 | $ 8,672,000
Percentage of Total Revenue (%) | 10.30% | 16.20% | 10.60% | 15.10%
Shandong Maroi Chemical Company Limited [Member] | Bromine Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenue from major customer | $ 2,382,000 | $ 2,505,000 | $ 4,072,000 | $ 4,088,000
Shandong Maroi Chemical Company Limited [Member] | Crude Salt Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenue from major customer | 731,000 | 693,000 | 1,195,000 | 1,264,000
Shandong Maroi Chemical Company Limited [Member] | Chemical Products Segment [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Revenue from major customer | $ 1,973,000 | $ 1,935,000 | $ 3,684,000 | $ 3,320,000

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