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15. BUSINESS SEGMENTS (Tables) | 9 Months Ended
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Sep. 30, 2016
Segment Reporting [Abstract] |
Schedule of segment operating income |
Three-Month Period Ended September 30, 2016 |  | Bromine* |  |  | Crude Salt* |  |  | Chemical Products |  |  | Natural Gas |  |  | Segment Total |  |  | Corporate |  |  | Total |
Net revenue (external customers) |  | $ | 15,971,847 |  |  | $ | 2,310,799 |  |  | $ | 20,528,976 |  | $ | - |  |  | $ | 38,811,622 |  |  | $ | - |  |  | $ | 38,811,622 |
Net revenue (intersegment) |  |  | 2,008,397 |  |  |  | - |  |  |  | - |  |  | - |  |  |  | 2,008,397 |  |  |  | - |  |  |  | 2,008,397 |
Income from operations before taxes |  |  | 7,898,302 |  |  |  | (382,917 | ) |  |  | 6,442,708 |  |  | (2,476 | ) |  |  | 13,955,617 |  |  |  | 583 |  |  |  | 13,956,200 |
Income taxes |  |  | 1,974,576 |  |  |  | (97,982 | ) |  |  | 1,641,935 |  |  | - |  |  |  | 3,518,529 |  |  |  | - |  |  |  | 3,518,529 |
Income from operations after taxes |  |  | 5,923,726 |  |  |  | (284,935 | ) |  |  | 4,800,773 |  |  | (2,476 | ) |  |  | 10,437,088 |  |  |  | 583 |  |  |  | 10,437,671 |
Total assets |  |  | 150,950,225 |  |  |  | 32,757,666 |  |  |  | 192,128,326 |  |  | 1,687,960 |  |  |  | 377,524,177 |  |  |  | 183,416 |  |  |  | 377,707,593 |
Depreciation and amortization |  |  | 3,121,243 |  |  |  | 1,315,140 |  |  |  | 1,080,975 |  |  | - |  |  |  | 5,517,358 |  |  |  | - |  |  |  | 5,517,358 |
Capital expenditures |  |  | 12,890,713 |  |  |  | 2,336,309 |  |  |  | - |  |  | 651,295 |  |  |  | 15,878,317 |  |  |  | - |  |  |  | 15,878,317 |
Goodwill |  |  | - |  |  |  | - |  |  |  | 28,743,418 |  |  | - |  |  |  | 28,743,418 |  |  |  | - |  |  |  | 28,743,418 |
Three-Month Period Ended September 30, 2015 |  | Bromine* |  |  | Crude Salt* |  |  | Chemical Products |  |  | Natural Gas |  |  | Segment Total |  |  | Corporate |  |  | Total |
Net revenue (external customers) |  | $ | 14,940,666 |  |  | $ | 3,032,201 |  |  | $ | 24,628,731 |  | $ | - |  |  | $ | 42,601,598 |  |  | $ | - |  |  | $ | 42,601,598 |
Net revenue (intersegment) |  |  | 2,330,808 |  |  |  | - |  |  |  | - |  |  | - |  |  |  | 2,330,808 |  |  |  | - |  |  |  | 2,330,808 |
Income from operations before taxes |  |  | 4,307,709 |  |  |  | 351,251 |  |  |  | 8,393,184 |  |  | - |  |  |  | 13,052,144 |  |  |  | 851,014 |  |  |  | 13,903,158 |
Income taxes |  |  | 1,076,927 |  |  |  | 86,638 |  |  |  | 2,126,807 |  |  | - |  |  |  | 3,290,372 |  |  |  | - |  |  |  | 3,290,372 |
Income from operations after taxes |  |  | 3,230,782 |  |  |  | 264,613 |  |  |  | 6,266,377 |  |  | - |  |  |  | 9,761,772 |  |  |  | 851,014 |  |  |  | 10,612,786 |
Total assets |  |  | 142,874,828 |  |  |  | 42,858,017 |  |  |  | 181,468,875 |  |  | - |  |  |  | 367,201,720 |  |  |  | 38,165 |  |  |  | 367,239,885 |
Depreciation and amortization |  |  | 3,961,290 |  |  |  | 1,680,827 |  |  |  | 1,405,726 |  |  | - |  |  |  | 7,047,843 |  |  |  | - |  |  |  | 7,047,843 |
Capital expenditures |  |  | 2,365,417 |  |  |  | 427,283 |  |  |  | - |  |  | - |  |  |  | 2,792,700 |  |  |  | - |  |  |  | 2,792,700 |
Goodwill |  |  | - |  |  |  | - |  |  |  | 30,173,391 |  |  | - |  |  |  | 30,173,391 |  |  |  | - |  |  |  | 30,173,391 |
Nine-Month Period Ended September 30, 2016 |  | Bromine* |  |  | Crude Salt* |  |  | Chemical Products |  |  | Natural Gas |  | Segment Total |  |  | Corporate |  |  | Total |
Net revenue (external customers) |  | $ | 47,621,980 |  |  | $ | 6,383,095 |  |  | $ | 66,902,764 |  | $ | - |  | $ | 120,907,839 |  |  | $ | - |  |  | $ | 120,907,839 |
Net revenue (intersegment) |  |  | 6,501,530 |  |  |  | - |  |  |  | - |  |  | - |  |  | 6,501,530 |  |  |  | - |  |  |  | 6,501,530 |
Income (loss) from operations before taxes |  |  | 19,103,472 |  |  |  | (165,403 | ) |  |  | 20,698,116 |  |  | (2,501 | ) |  | 39,633,684 |  |  |  | 319,956 |  |  |  | 39,953,640 |
Income taxes |  |  | 4,775,868 |  |  |  | (46,369 | ) |  |  | 5,267,123 |  |  | - |  |  | 9,996,622 |  |  |  | - |  |  |  | 9,996,622 |
Income (loss) from operations after taxes |  |  | 14,327,604 |  |  |  | (119,034 | ) |  |  | 15,430,993 |  |  | (2,501 | ) |  | 29,637,062 |  |  |  | 319,956 |  |  |  | 29,957,018 |
Total assets |  |  | 150,950,225 |  |  |  | 32,757,666 |  |  |  | 192,128,326 |  |  | 1,687,960 |  |  | 377,524,177 |  |  |  | 183,416 |  |  |  | 377,707,593 |
Depreciation and amortization |  |  | 11,633,581 |  |  |  | 3,847,502 |  |  |  | 3,550,567 |  |  | - |  |  | 19,031,650 |  |  |  | - |  |  |  | 19,031,650 |
Capital expenditures |  |  | 12,943,491 |  |  |  | 2,340,817 |  |  |  | - |  |  | 1,464,884 |  |  | 16,749,192 |  |  |  | - |  |  |  | 16,749,192 |
Goodwill |  |  | - |  |  |  | - |  |  |  | 28,743,418 |  |  | - |  |  | 28,743,418 |  |  |  | - |  |  |  | 28,743,418 |
Nine-Month Period Ended September 30, 2015 |  | Bromine* |  |  | Crude Salt* |  |  | Chemical Products |  |  | Natural Gas |  | Segment Total |  |  | Corporate |  |  | Total |
Net revenue (external customers) |  | $ | 41,066,776 |  |  | $ | 7,905,274 |  |  | $ | 77,890,447 |  | $ | - |  | $ | 126,862,497 |  |  | $ | - |  |  | $ | 126,862,497 |
Net revenue (intersegment) |  |  | 6,355,047 |  |  |  | - |  |  |  | - |  |  | - |  |  | 6,355,047 |  |  |  | - |  |  |  | 6,355,047 |
Income (loss) from operations before taxes |  |  | 8,950,595 |  |  |  | 534,760 |  |  |  | 26,205,578 |  |  | - |  |  | 35,690,933 |  |  |  | (115,735 | ) |  |  | 35,575,198 |
Income taxes |  |  | 2,237,649 |  |  |  | 133,956 |  |  |  | 6,633,553 |  |  | - |  |  | 9,005,158 |  |  |  | - |  |  |  | 9,005,158 |
Income (loss) from operations after taxes |  |  | 6,712,946 |  |  |  | 400,804 |  |  |  | 19,572,025 |  |  | - |  |  | 26,685,775 |  |  |  | (115,735 | ) |  |  | 26,570,040 |
Total assets |  |  | 142,874,828 |  |  |  | 42,858,017 |  |  |  | 181,468,875 |  |  | - |  |  | 367,201,720 |  |  |  | 38,165 |  |  |  | 367,239,885 |
Depreciation and amortization |  |  | 13,198,194 |  |  |  | 4,671,613 |  |  |  | 4,084,705 |  |  | - |  |  | 21,954,512 |  |  |  | - |  |  |  | 21,954,512 |
Capital expenditures |  |  | 2,365,417 |  |  |  | 427,283 |  |  |  | - |  |  | - |  |  | 2,792,700 |  |  |  | - |  |  |  | 2,792,700 |
Goodwill |  |  | - |  |  |  | - |  |  |  | 30,173,391 |  |  | - |  |  | 30,173,391 |  |  |  | - |  |  |  | 30,173,391 |
Schedule of segment costs |
|  | Three-Month Period Ended September 30, |  |  | Nine-Month Period Ended September 30, |
Reconciliations |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Total segment operating income |  | $ | 13,955,617 |  |  | $ | 13,052,144 |  |  | $ | 39,633,684 |  |  | $ | 35,690,933 |
Corporate costs |  |  | (180,447 | ) |  |  | (210,707 | ) |  |  | (409,808 | ) |  |  | (1,153,164 | )
Unrealized translation difference |  |  | 181,030 |  |  |  | 1,061,721 |  |  |  | 729,764 |  |  |  | 1,037,429 |
Income from operations |  |  | 13,956,200 |  |  |  | 13,903,158 |  |  |  | 39,953,640 |  |  |  | 35,575,198 |
Other income, net of expense |  |  | 78,042 |  |  |  | 66,636 |  |  |  | 222,678 |  |  |  | 199,913 |
Income before taxes |  | $ | 14,034,242 |  |  | $ | 13,969,794 |  |  | $ | 40,176,318 |  |  | $ | 35,775,111 |
Schedule of major customers |
Number |  | Customer |  | Bromine (000’s) |  |  | Crude Salt (000’s) |  |  | Chemical Products (000’s) |  |  | Total Revenue (000’s) |  |  | Percentage of Total Revenue (%) |
| 1 |  | Shandong Morui Chemical Company Limited |  | $ | 2,538 |  |  | $ | 747 |  |  | $ | 1,324 |  |  | $ | 4,609 |  |  |  | 11.9% |
The following table shows the major customer(s) (10% or more) for the nine-month period ended September 30, 2016.
Number |  | Customer |  | Bromine (000’s) |  |  | Crude Salt (000’s) |  |  | Chemical Products (000’s) |  |  | Total Revenue (000’s) |  |  | Percentage of Total Revenue (%) |
| 1 |  | Shandong Morui Chemical Company Limited |  | $ | 8,230 |  |  | $ | 1,919 |  |  | $ | 4,321 |  |  | $ | 14,470 |  |  |  | 12.0% |
The following table shows the major customer(s) (10% or more) for the three-month period ended September 30, 2015.
Number |  | Customer |  | Bromine (000’s) |  |  | Crude Salt (000’s) |  |  | Chemical Products (000’s) |  |  | Total Revenue (000’s) |  |  | Percentage of Total Revenue (%) |
| 1 |  | Shandong Morui Chemical Company Limited |  | $ | 2,059 |  |  | $ | 852 |  |  | $ | 2,085 |  |  | $ | 4,996 |  |  |  | 11.7% |
The following table shows the major customer(s) (10% or more) for the nine-month period ended September 30, 2015.
Number |  | Customer |  | Bromine (000’s) |  |  | Crude Salt (000’s) |  |  | Chemical Products (000’s) |  |  | Total Revenue (000’s) |  |  | Percentage of Total Revenue (%) |
| 1 |  | Shandong Morui Chemical Company Limited |  | $ | 6,130 |  |  | $ | 2,047 |  |  | $ | 5,769 |  |  | $ | 13,946 |  |  |  | 11.0% |

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