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13. BUSINESS SEGMENTS (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Segment Reporting Information [Line Items]        
Net revenue (external customers) $ 31,752,814 $ 32,853,896 $ 57,344,990 $ 55,356,476
Net revenue (intersegment) 836,840 777,746 1,620,833 1,392,476
Income (loss) from operations before taxes 7,531,572 7,378,775 13,133,216 9,984,223
Income taxes 1,933,503 2,048,722 3,302,572 2,791,042
Income (loss) from operations after taxes 5,598,069 5,330,053 9,830,644 7,193,181
Total assets 316,345,541 291,497,321 316,345,541 291,497,321
Depreciation and amortization 6,870,758 6,878,052 13,808,998 13,685,539
Capital expenditures   0 39,586 0
Bromine Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 16,214,612 17,473,276 27,976,528 29,207,643
Net revenue (intersegment) 836,840 777,746 1,620,833 1,392,476
Income (loss) from operations before taxes 3,599,026 3,882,612 4,617,298 4,210,425
Income taxes 735,834 941,322 1,100,419 1,121,955
Income (loss) from operations after taxes 2,863,192 2,941,290 3,516,879 3,088,471
Total assets 189,852,951 174,524,258 189,852,951 174,524,258
Depreciation and amortization 4,378,252 4,309,920 8,928,395 8,687,891
Capital expenditures   0 34,378 0
Crude Salt Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 2,915,445 3,629,976 5,357,340 6,080,762
Net revenue (intersegment) 0 0 0 0
Income (loss) from operations before taxes (116,798) 728,638 526,509 1,266,858
Income taxes 141,819 209,755 197,059 243,020
Income (loss) from operations after taxes (258,617) 518,883 329,450 1,023,837
Total assets 53,961,678 56,693,091 53,961,678 56,693,091
Depreciation and amortization 1,604,960 1,687,487 3,099,717 3,246,686
Capital expenditures   0 5,208 0
Chemical Products Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 12,622,757 11,750,644 24,011,122 20,068,071
Net revenue (intersegment) 0 0 0 0
Income (loss) from operations before taxes 4,191,572 3,572,036 7,961,305 5,668,715
Income taxes 1,055,850 897,645 2,005,094 1,426,067
Income (loss) from operations after taxes 3,135,722 2,674,391 5,956,211 4,242,648
Total assets 72,505,351 60,193,635 72,505,351 60,193,635
Depreciation and amortization 887,546 880,645 1,780,886 1,750,962
Capital expenditures   0 0 0
Segment Total [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 31,752,814 32,853,896 57,344,990 55,356,476
Net revenue (intersegment) 836,840 777,746 1,620,833 1,392,476
Income (loss) from operations before taxes 7,673,800 8,183,286 13,105,112 11,145,998
Income taxes 1,933,503 2,048,722 3,302,572 2,791,042
Income (loss) from operations after taxes 5,740,297 6,134,564 9,802,540 8,354,956
Total assets 316,319,980 291,410,984 316,319,980 291,410,984
Depreciation and amortization 6,870,758 6,878,052 13,808,998 13,685,539
Capital expenditures   0 39,586 0
Corporate [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 0 0 0 0
Net revenue (intersegment) 0 0 0 0
Income (loss) from operations before taxes (142,228) (804,511) 28,104 (1,161,775)
Income taxes 0 0 0 0
Income (loss) from operations after taxes (142,228) (804,511) 28,104 (1,161,775)
Total assets 25,561 86,337 25,561 86,337
Depreciation and amortization 0 0 0 0
Capital expenditures   $ 0 $ 0 $ 0