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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

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