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14. BUSINESS SEGMENTS (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Net revenue (external customers) $ 32,853,896 $ 31,314,846 $ 55,356,476 $ 55,123,520  
Net revenue (intersegment) 777,746 808,596 1,392,476 1,563,153  
Income (loss) from operations before taxes 7,378,775 7,633,203 9,984,223 12,210,302  
Income taxes 2,048,722 1,975,189 2,791,042 3,309,659  
Income (loss) from operations after taxes 5,330,053 5,658,014 7,193,181 8,900,643  
Total assets 291,497,321 265,987,844 291,497,321 265,987,844 278,193,034
Depreciation and amortization 6,878,052 5,607,425 13,685,539 11,290,588  
Capital expenditures 0 7,849,287 0 7,849,287  
Write-off/Impairment 0 911,995 0 911,995  
Bromine Segment [Member]
          
Segment Reporting Information [Line Items]          
Net revenue (external customers) 17,473,276 17,539,429 29,207,643 30,993,311  
Net revenue (intersegment) 777,746 808,596 1,392,476 1,563,153  
Income (loss) from operations before taxes 3,882,612 3,933,561 4,210,425 6,401,865  
Income taxes 941,322 1,018,311 1,121,955 1,681,209  
Income (loss) from operations after taxes 2,941,290 2,915,250 3,088,471 4,720,656  
Total assets 174,524,258 158,305,734 174,524,258 158,305,734  
Depreciation and amortization 4,309,920 3,509,790 8,687,891 7,174,033  
Capital expenditures 0 6,567,296 0 6,567,296  
Write-off/Impairment 0 763,043 0 763,043  
Crude Salt Segment [Member]
          
Segment Reporting Information [Line Items]          
Net revenue (external customers) 3,629,976 3,779,658 6,080,762 6,054,582  
Net revenue (intersegment) 0 0 0 0  
Income (loss) from operations before taxes 728,638 888,555 1,266,858 1,437,005  
Income taxes 209,755 198,783 243,020 302,649  
Income (loss) from operations after taxes 518,883 689,772 1,023,837 1,134,356  
Total assets 56,693,091 56,621,811 56,693,091 56,621,811  
Depreciation and amortization 1,687,487 1,442,179 3,246,686 2,805,685  
Capital expenditures 0 1,281,991 0 1,281,991  
Write-off/Impairment 0 148,952 0 148,952  
Chemical Products Segment [Member]
          
Segment Reporting Information [Line Items]          
Net revenue (external customers) 11,750,644 9,995,759 20,068,071 18,075,627  
Net revenue (intersegment) 0 0 0 0  
Income (loss) from operations before taxes 3,572,036 3,007,381 5,668,715 5,250,276  
Income taxes 897,645 758,095 1,426,067 1,325,801  
Income (loss) from operations after taxes 2,674,391 2,249,286 4,242,648 3,924,475  
Total assets 60,193,635 50,634,822 60,193,635 50,634,822  
Depreciation and amortization 880,645 655,456 1,750,962 1,310,870  
Capital expenditures 0 0 0 0  
Write-off/Impairment 0 0 0 0  
Segment Total [Member]
          
Segment Reporting Information [Line Items]          
Net revenue (external customers) 32,853,896 31,314,846 55,356,476 55,123,520  
Net revenue (intersegment) 777,746 808,596 1,392,476 1,563,153  
Income (loss) from operations before taxes 8,183,286 7,829,497 11,145,998 13,089,146  
Income taxes 2,048,722 1,975,189 2,791,042 3,309,659  
Income (loss) from operations after taxes 6,134,564 5,854,308 8,354,956 9,779,487  
Total assets 291,410,984 265,562,367 291,410,984 265,562,367  
Depreciation and amortization 6,878,052 5,607,425 13,685,539 11,290,588  
Capital expenditures 0 7,849,287 0 7,849,287  
Write-off/Impairment 0 911,995 0 911,995  
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 (804,511) (196,294) (1,161,775) (878,844)  
Income taxes 0 0 0 0  
Income (loss) from operations after taxes (804,511) (196,294) (1,161,775) (878,844)  
Total assets 86,337 425,477 86,337 425,477  
Depreciation and amortization 0 0 0 0  
Capital expenditures 0 0 0 0  
Write-off/Impairment $ 0 $ 0 $ 0 $ 0