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SEGMENT INFORMATION (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ 182,040,968 |  | $ 182,571,852 |  | $ 108,999,805 |
Total Cost of revenue | 144,491,083 |  | 139,308,511 |  | 135,103,408 |
Gross (loss) profit | 37,549,885 |  | 43,263,341 |  | (26,103,603) |
Polysilicon [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | 125,916,457 |  | 127,692,325 |  | 76,721,105 |
Wafer [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | 56,124,511 |  | 54,879,527 |  | 32,278,700 |
Operating Segments [Member] | Polysilicon [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | 149,401,821 |  | 157,117,208 |  | 89,916,943 |
Total Cost of revenue | 121,193,840 |  | 119,703,550 |  | 98,684,325 |
Gross (loss) profit | 28,207,981 |  | 37,413,658 |  | (8,767,382) |
Operating Segments [Member] | Wafer [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | 56,124,511 |  | 54,879,527 |  | 32,278,700 |
Total Cost of revenue | 46,763,308 |  | 47,861,811 |  | 49,614,921 |
Gross (loss) profit | 9,361,203 |  | 7,017,716 |  | (17,336,221) |
Elimination [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | (23,485,364) |  | (29,424,883) |  | (13,195,838) |
Total Cost of revenue | (23,466,065) |  | (28,256,850) |  | $ (13,195,838) |
Gross (loss) profit | (19,299) |  | (1,168,033) |  |  |
Elimination [Member] | Polysilicon [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ (23,485,364) |  | $ (29,424,883) |  | $ (13,195,838) |
Elimination [Member] | Wafer [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue |  |  |  |  |  |
Customer B [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ 18,125,773 |  | $ 23,882,302 |  | $ 19,644,488 |
Customer C [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ 19,595,911 |  | $ 18,210,196 |  |  | [1]
Customer D [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue |  | [1] |  | [1] | $ 13,471,873 |
Customer J [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ 35,094,472 |  |  | [1] |  | [1]
Customer K [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenue | $ 20,465,558 |  |  | [1] |  | [1]
[1] | Represents less than 10%

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