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SEGMENT INFORMATION (Tables)
12 Months Ended
Dec. 31, 2016
SEGMENT INFORMATION [Abstract]  
Summary of Financial Information by Segment
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
 
Schedule of Revenues of Major Customers
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%