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SEGMENT INFORMATION (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | $ 229,101,211 |  | $ 182,040,968 | $ 182,571,852 |
Total Cost of revenue | 148,672,693 |  | 144,491,083 | 139,308,511 |
Gross profit | $ 80,428,518 |  | $ 37,549,885 | $ 43,263,341 |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Concentration Risk, Percentage | 21.00% |  | 51.00% | 23.00% |
Polysilicon [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | $ 167,530,309 |  | $ 125,916,457 | $ 127,692,325 |
Wafer [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 61,570,902 |  | 56,124,511 | 54,879,527 |
Operating Segments [Member] | Polysilicon [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 196,219,102 |  | 149,401,821 | 157,117,208 |
Total Cost of revenue | 125,320,832 |  | 121,193,840 | 119,703,550 |
Gross profit | 70,898,270 |  | 28,207,981 | 37,413,658 |
Operating Segments [Member] | Wafer [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 61,570,902 |  | 56,124,511 | 54,879,527 |
Total Cost of revenue | 52,413,007 |  | 46,763,308 | 47,861,811 |
Gross profit | 9,157,895 |  | 9,361,203 | 7,017,716 |
Elimination [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | (28,688,793) |  | (23,485,364) | (29,424,883) |
Total Cost of revenue | (29,061,146) |  | (23,466,065) | (28,256,850) |
Gross profit | 372,353 |  | (19,299) |  |
Elimination [Member] | Polysilicon [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  |  | (23,485,364) | (29,424,883) |
Customer B [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | [1] | 19,595,911 | 18,210,196 |
Customer C [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 48,739,001 |  | 35,094,472 |  | [1]
Customer A [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | [1] | 20,465,558 |  | [1]
Customer F [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | [1] | $ 18,125,773 | $ 23,882,302 |
[1] | Represents less than 10%

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