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14. BUSINESS SEGMENTS (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Segment Reporting Information [Line Items]        
Net revenue (external customers) $ 32,935,277 $ 24,530,332 $ 88,291,753 $ 79,653,852
Net revenue (intersegment) 781,866 593,035 2,174,342 2,156,188
Income (loss) from operations before taxes 10,892,520 5,628,881 20,876,743 17,839,183
Income taxes 2,818,444 1,529,326 5,609,486 4,838,985
Income (loss) from operations after taxes 8,074,076 4,099,555 15,267,257 13,000,198
Total assets 301,725,893 269,118,702 301,725,893 269,118,702
Depreciation and amortization 6,882,633 5,705,096 20,568,172 16,995,684
Capital expenditures 314,713 21,553,541 314,713 29,402,827
Write-off/Impairment 214 130,143 214 1,042,138
Bromine Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 17,093,087 13,960,118 46,300,730 44,953,429
Net revenue (intersegment) 781,866 593,035 2,174,342 2,156,188
Income (loss) from operations before taxes 5,876,150 3,134,709 10,086,575 9,536,574
Income taxes 1,452,755 720,469 2,574,710 2,401,678
Income (loss) from operations after taxes 4,423,395 2,414,240 7,511,866 7,134,896
Total assets 180,313,532 147,781,415 180,313,532 147,781,415
Depreciation and amortization 4,123,370 3,309,109 12,811,261 10,483,142
Capital expenditures 238,689 10,947,478 238,689 17,514,773
Write-off/Impairment 0 128,562 0 891,605
Crude Salt Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 3,902,979 2,360,905 9,983,741 8,415,487
Net revenue (intersegment) 0 0 0 0
Income (loss) from operations before taxes 1,635,755 549,446 2,902,613 1,986,451
Income taxes 425,640 239,204 668,660 541,853
Income (loss) from operations after taxes 1,210,115 310,242 2,233,952 1,444,598
Total assets 58,306,651 69,333,330 58,306,651 69,333,330
Depreciation and amortization 1,873,318 1,743,342 5,120,004 4,549,027
Capital expenditures 69,933 3,372,192 69,933 4,654,183
Write-off/Impairment 0 1,581 0 150,533
Chemical Products Segment [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 11,939,211 8,209,309 32,007,282 26,284,936
Net revenue (intersegment) 0 0 0 0
Income (loss) from operations before taxes 3,740,278 2,258,624 9,408,993 7,508,900
Income taxes 940,049 569,653 2,366,116 1,895,454
Income (loss) from operations after taxes 2,800,229 1,688,971 7,042,877 5,613,446
Total assets 63,073,106 51,659,755 63,073,106 51,659,755
Depreciation and amortization 885,945 652,645 2,636,907 1,963,515
Capital expenditures 6,091 7,233,871 6,091 7,233,871
Write-off/Impairment 214 0 214 0
Segment Total [Member]
        
Segment Reporting Information [Line Items]        
Net revenue (external customers) 32,935,277 24,530,332 88,291,753 79,653,852
Net revenue (intersegment) 781,866 593,035 2,174,342 2,156,188
Income (loss) from operations before taxes 11,252,183 5,942,779 22,398,181 19,031,925
Income taxes 2,818,444 1,529,326 5,609,486 4,838,985
Income (loss) from operations after taxes 8,433,739 4,413,453 16,788,695 14,192,940
Total assets 301,693,289 268,774,500 301,693,289 268,774,500
Depreciation and amortization 6,882,633 5,705,096 20,568,172 16,995,684
Capital expenditures 314,713 21,553,541 314,713 29,402,827
Write-off/Impairment 214 130,143 214 1,042,138
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 (359,663) (313,898) (1,521,438) (1,192,742)
Income taxes 0 0 0 0
Income (loss) from operations after taxes (359,663) (313,898) (1,521,438) (1,192,742)
Total assets 32,604 344,202 32,604 344,202
Depreciation and amortization 0 0 0 0
Capital expenditures 0 0 0 0
Write-off/Impairment $ 0 $ 0 $ 0 $ 0