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SEGMENT INFORMATION (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenue - External	$ 86,858,401		$ 232,169,579	$ 252,814,827
Revenue - Intersegment
Total revenues	86,858,401		232,169,579	252,814,827
Cost of revenues	124,290,384		144,946,025	144,651,384
Gross profit (loss)	(37,431,983)		87,223,554	108,163,443
Polysilicon [Member]
Segment Reporting Information [Line Items]
Revenue - External	73,450,807		218,915,487	217,921,352
Revenue - Intersegment	6,067,339		1,696,573
Total revenues	79,518,146		220,612,060	217,921,352
Cost of revenues	110,243,043		125,962,033	113,910,595
Gross profit (loss)	(30,724,897)		94,650,027	104,010,757
Wafer [Member]
Segment Reporting Information [Line Items]
Revenue - External	13,407,594		13,254,092	34,893,475
Revenue - Intersegment
Total revenues	13,407,594		13,254,092	34,893,475
Cost of revenues	20,114,680		20,680,565	30,740,789
Gross profit (loss)	(6,707,086)		(7,426,473)	4,152,686
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue - External
Revenue - Intersegment	(6,067,339)		(1,696,573)
Total revenues	(6,067,339)		(1,696,573)
Cost of revenues	(6,067,339)		(1,696,573)
Gross profit (loss)
Customer A [Member]
Segment Reporting Information [Line Items]
Total revenues	21,749,284		28,219,079	33,763,866
Customer B [Member]
Segment Reporting Information [Line Items]
Total revenues		[1]	27,214,590	30,273,322
Customer D [Member]
Segment Reporting Information [Line Items]
Total revenues		[1]	33,140,475		[1]
Customer G [Member]
Segment Reporting Information [Line Items]
Total revenues		[1]	$ 28,570,338		[1]
[1] Represents less than 10%

X

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5

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X

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount of revenue from transactions with other operating segments of the same entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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