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13. BUSINESS SEGMENTS (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | $ 4,594 | $ 47,531,989 | $ 2,251,861 | $ 80,320,482
Net revenue (intersegment) | 0 | 2,910,743 | 0 | 5,089,236
Income (loss) from operations before taxes (benefit) | (6,831,607) | 18,482,472 | (15,128,587) | 29,295,469
Income tax expense (benefit) | (1,883,241) | 4,821,450 | (3,076,987) | 7,643,276
Income (loss) from operations after income taxes (benefit) | (4,948,366) | 13,661,022 | (12,051,600) | 21,652,193
Total assets | 370,843,729 | 405,264,843 | 370,843,729 | 405,264,843
Depreciation and amortization | 4,753,984 | 5,370,190 | 9,511,515 | 10,809,289
Capital expenditures | 10,212,011 |  | 10,333,721 |
Goodwill | 29,010,218 | 28,332,661 | 29,010,218 | 28,332,661
Bromine Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 0 | 18,423,133 | 0 | 32,345,527
Net revenue (intersegment) | 0 | 2,910,743 | 0 | 5,089,236
Income (loss) from operations before taxes (benefit) | (5,577,272) | 9,740,981 | (11,167,828) | 15,012,915
Income tax expense (benefit) | (1,579,514) | 2,464,085 | (2,970,666) | 3,794,188
Income (loss) from operations after income taxes (benefit) | (3,997,758) | 7,276,896 | (8,197,162) | 11,218,727
Total assets | 138,510,016 | 162,696,276 | 138,510,016 | 162,696,276
Depreciation and amortization | 4,018,318 | 3,794,600 | 7,738,030 | 7,793,181
Capital expenditures | 7,813,714 |  | 7,906,888 |
Goodwill | 0 | 0 | 0 | 0
Crude Salt Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 0 | 2,521,883 | 1,638,493 | 4,335,661
Net revenue (intersegment) | 0 | 0 | 0 | 0
Income (loss) from operations before taxes (benefit) | (1,731,592) | 1,051,202 | (2,539,475) | 1,937,089
Income tax expense (benefit) | (240,367) | 245,164 | (442,338) | 468,746
Income (loss) from operations after income taxes (benefit) | (1,491,225) | 806,038 | (2,097,137) | 1,468,343
Total assets | 47,572,477 | 32,749,355 | 47,572,477 | 32,749,355
Depreciation and amortization | 611,499 | 624,226 | 1,524,850 | 1,078,673
Capital expenditures | 1,189,075 |  | 1,203,254 |
Goodwill | 0 | 0 | 0 | 0
Chemical Products Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 4,594 | 26,586,973 | 613,368 | 43,639,294
Net revenue (intersegment) | 0 | 0 | 0 | 0
Income (loss) from operations before taxes (benefit) | (727,595) | 8,318,480 | (1,402,366) | 13,264,657
Income tax expense (benefit) | (63,360) | 2,112,201 | 336,017 | 3,380,342
Income (loss) from operations after income taxes (benefit) | (664,235) | 6,206,279 | (1,738,383) | 9,884,315
Total assets | 182,669,040 | 207,885,555 | 182,669,040 | 207,885,555
Depreciation and amortization | 124,167 | 951,364 | 248,635 | 1,937,435
Capital expenditures | 1,192,963 |  | 1,192,963 |
Goodwill | 29,010,218 | 28,332,661 | 29,010,218 | 28,332,661
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 (benefit) | (45,295) | (33,529) | (80,950) | (57,287)
Income tax expense (benefit) | 0 | 0 | 0 | 0
Income (loss) from operations after income taxes (benefit) | (45,295) | (33,529) | (80,950) | (57,287)
Total assets | 2,011,378 | 1,819,284 | 2,011,378 | 1,819,284
Depreciation and amortization | 0 | 0 | 0 | 0
Capital expenditures | 16,259 |  | 30,616 |
Goodwill | 0 | 0 | 0 | 0
Segment Total [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue (external customers) | 4,594 | 47,531,989 | 2,251,861 | 80,320,482
Net revenue (intersegment) | 0 | 2,910,743 | 0 | 5,089,236
Income (loss) from operations before taxes (benefit) | (8,081,754) | 19,077,134 | (15,190,619) | 30,157,374
Income tax expense (benefit) | (1,883,241) | 4,821,450 | (3,076,987) | 7,643,276
Income (loss) from operations after income taxes (benefit) | (6,198,513) | 14,255,684 | (12,113,632) | 22,514,098
Total assets | 370,762,911 | 405,150,470 | 370,762,911 | 405,150,470
Depreciation and amortization | 4,753,984 | 5,370,190 | 9,511,515 | 10,809,289
Capital expenditures | 10,212,011 |  | 10,333,721 |
Goodwill | 29,010,218 | 28,332,661 | 29,010,218 | 28,332,661
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 (benefit) | 1,250,147 | (594,662) | 62,032 | (861,905)
Income tax expense (benefit) | 0 | 0 | 0 | 0
Income (loss) from operations after income taxes (benefit) | 1,250,147 | (594,662) | 62,032 | (861,905)
Total assets | 80,818 | 114,373 | 80,818 | 114,373
Depreciation and amortization | 0 | 0 | 0 | 0
Goodwill | $ 0 | $ 0 | $ 0 | $ 0

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