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15. BUSINESS SEGMENTS (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | $ 38,811,622 | $ 42,601,598 | $ 120,907,839 | $ 126,862,497
Net revenue (intersegment) | 2,008,397 | 2,330,808 | 6,501,530 | 6,355,047
Income (loss) from operations before taxes | 13,956,200 | 13,903,158 | 39,953,640 | 35,575,198
Income taxes | 3,518,529 | 3,290,372 | 9,996,622 | 9,005,158
Income (loss) from operations after taxes | 10,437,671 | 10,612,786 | 29,957,018 | 26,570,040
Total assets | 377,707,593 | 367,239,885 | 377,707,593 | 367,239,885
Depreciation and amortization | 5,517,358 | 7,047,843 | 19,031,650 | 21,954,512
Capital expenditures | 15,878,317 | 2,792,700 | 16,749,192 | 2,792,700
Goodwill | 28,743,418 | 30,173,391 | 28,743,418 | 30,173,391
Bromine Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 15,971,847 | 14,940,666 | 47,621,980 | 41,066,776
Net revenue (intersegment) | 2,008,397 | 2,330,808 | 6,501,530 | 6,355,047
Income (loss) from operations before taxes | 7,898,302 | 4,307,709 | 19,103,472 | 8,950,595
Income taxes | 1,974,576 | 1,076,927 | 4,775,868 | 2,237,649
Income (loss) from operations after taxes | 5,923,726 | 3,230,782 | 14,327,604 | 6,712,946
Total assets | 150,950,225 | 142,874,828 | 150,950,225 | 142,874,828
Depreciation and amortization | 3,121,243 | 3,961,290 | 11,633,581 | 13,198,194
Capital expenditures | 12,890,713 | 2,365,417 | 12,943,491 | 2,365,417
Goodwill | 0 | 0 | 0 | 0
Crude Salt Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 2,310,799 | 3,032,201 | 6,383,095 | 7,905,274
Net revenue (intersegment) | 0 | 0 | 0 | 0
Income (loss) from operations before taxes | (382,917) | 351,251 | (165,403) | 534,760
Income taxes | (97,982) | 86,638 | (46,369) | 133,956
Income (loss) from operations after taxes | (284,935) | 264,613 | (119,034) | 400,804
Total assets | 32,757,666 | 42,858,017 | 32,757,666 | 42,858,017
Depreciation and amortization | 1,315,140 | 1,680,827 | 3,847,502 | 4,671,613
Capital expenditures | 2,336,309 | 427,283 | 2,340,817 | 427,283
Goodwill | 0 | 0 | 0 | 0
Chemical Products Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 20,528,976 | 24,628,731 | 66,902,764 | 77,890,447
Net revenue (intersegment) | 0 | 0 | 0 | 0
Income (loss) from operations before taxes | 6,442,708 | 8,393,184 | 20,698,116 | 26,205,578
Income taxes | 1,641,935 | 2,126,807 | 5,267,123 | 6,633,553
Income (loss) from operations after taxes | 4,800,773 | 6,266,377 | 15,430,993 | 19,572,025
Total assets | 192,128,326 | 181,468,875 | 192,128,326 | 181,468,875
Depreciation and amortization | 1,080,975 | 1,405,726 | 3,550,567 | 4,084,705
Capital expenditures | 0 | 0 | 0 | 0
Goodwill | 28,743,418 | 30,173,391 | 28,743,418 | 30,173,391
Natural Gas [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 | (2,476) | 0 | (2,501) | 0
Income taxes | 0 | 0 | 0 | 0
Income (loss) from operations after taxes | (2,476) | 0 | (2,501) | 0
Total assets | 1,687,960 | 0 | 1,687,960 | 0
Depreciation and amortization | 0 | 0 | 0 | 0
Capital expenditures | 651,295 | 0 | 1,464,884 | 0
Goodwill | 0 | 0 | 0 | 0
Segment Total [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 38,811,622 | 42,601,598 | 120,907,839 | 126,862,497
Net revenue (intersegment) | 2,008,397 | 2,330,808 | 6,501,530 | 6,355,047
Income (loss) from operations before taxes | 13,955,617 | 13,052,144 | 39,633,684 | 35,690,933
Income taxes | 3,518,529 | 3,290,372 | 9,996,622 | 9,005,158
Income (loss) from operations after taxes | 10,437,088 | 9,761,772 | 29,637,062 | 26,685,775
Total assets | 377,524,177 | 367,201,720 | 377,524,177 | 367,201,720
Depreciation and amortization | 5,517,358 | 7,047,843 | 19,031,650 | 21,954,512
Capital expenditures | 15,878,317 | 2,792,700 | 16,749,192 | 2,792,700
Goodwill | 28,743,418 | 30,173,391 | 28,743,418 | 30,173,391
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 | 583 | 851,014 | 319,956 | (115,735)
Income taxes | 0 | 0 | 0 | 0
Income (loss) from operations after taxes | 583 | 851,014 | 319,956 | (115,735)
Total assets | 183,416 | 38,165 | 183,416 | 38,165
Depreciation and amortization | 0 | 0 | 0 | 0
Capital expenditures | 0 | 0 | 0 | 0
Goodwill | $ 0 | $ 0 | $ 0 | $ 0

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