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SEGMENT INFORMATION | 12 Months Ended
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Dec. 31, 2016
SEGMENT INFORMATION [Abstract] |
SEGMENT INFORMATION | 19. SEGMENT INFORMATION The Group’s chief operating decision maker has been identified as the chief executive officer, who reviews consolidated results when making decisions about allocating resources and assessing performance of the Group. Following the further expansion of module business and entering into the wafer business in 2011, the Group operated and viewed its performance in three segments. However, on September 28, 2012, the module business was disposed. Therefore, only two segments remained in 2014, 2015 and 2016. Furthermore, the Group's chief operating decision maker is not provided with asset information by segment. As such, no asset information by segment is presented. The following tables summarized the Group’s revenue and cost generated from different revenue streams. Substantially all of its revenues are derived in the PRC. The Group’s long lived assets and operations are substantially all located in the PRC. The following table summarizes the Group’s revenue by segment:
Year ended December 31, 2014 |  | Polysilicon |  | Wafer |  | Elimination |  | Total |
Revenue – External |  | $ | 127,692,325 |  |  | 54,879,527 |  |  | - |  |  | 182,571,852 |
Revenue - Intersegment |  |  | 29,424,883 |  |  | - |  |  | (29,424,883) |  |  | - |
Total revenue |  |  | 157,117,208 |  |  | 54,879,527 |  |  | (29,424,883) |  |  | 182,571,852 |
Total Cost of revenue |  |  | 119,703,550 |  |  | 47,861,811 |  |  | (28,256,850) |  |  | 139,308,511 |
Gross Profit |  | $ | 37,413,658 |  |  | 7,017,716 |  |  | (1,168,033) |  |  | 43,263,341 |
Year ended December 31, 2015 |  | Polysilicon |  | Wafer |  | Elimination |  | Total |
Revenue – External |  | $ | 125,916,457 |  |  | 56,124,511 |  |  | - |  |  | 182,040,968 |
Revenue - Intersegment |  |  | 23,485,364 |  |  | - |  |  | (23,485,364) |  |  | - |
Total Revenue |  |  | 149,401,821 |  |  | 56,124,511 |  |  | (23,485,364) |  |  | 182,040,968 |
Total Cost of revenue |  |  | 121,193,840 |  |  | 46,763,308 |  |  | (23,466,065) |  |  | 144,491,083 |
Gross Profit |  | $ | 28,207,981 |  |  | 9,361,203 |  |  | (19,299) |  |  | 37,549,885 |
Year ended December 31, 2016 |  | Polysilicon |  | Wafer |  | Elimination |  | Total |
Revenue – External |  | $ | 167,530,309 |  |  | 61,570,902 |  |  | - |  |  | 229,101,211 |
Revenue - Intersegment |  |  | 28,688,793 |  |  | - |  |  | (28,688,793) |  |  | - |
Total Revenue |  |  | 196,219,102 |  |  | 61,570,902 |  |  | (28,688,793) |  |  | 229,101,211 |
Total Cost of revenue |  |  | 125,320,832 |  |  | 52,413,007 |  |  | (29,061,146) |  |  | 148,672,693 |
Gross Profit |  | $ | 70,898,270 |  |  | 9,157,895 |  |  | 372,353 |  |  | 80,428,518 |
The following customers individually accounted for 10% or more of revenues:
|  | Year ended December 31, |
|  | 2014 |  | 2015 |  | 2016 |
Customer C |  |  | * |  | $ | 35,094,472 |  | $ | 48,739,001 |
Customer A |  |  | * |  |  | 20,465,558 |  |  | * |
Customer B |  | $ | 18,210,196 |  | $ | 19,595,911 |  | $ | * |
Customer F |  | $ | 23,882,302 |  | $ | 18,125,773 |  | $ | * |
| * | Represents less than 10%

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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