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Other Income | 12 Months Ended
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Dec. 31, 2012
Other Income |
14. | Other Income
|  | Year Ended |  |  | Year Ended |  |  | Year Ended |
|  | December 31, |  |  | December 31, |  |  | December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | $ |  |  | $ |  |  | $ |
Gain on sale of other assets |  |  | 2,217 |  |  |  | — |  |  |  | — |
Volatile organic compound emission plant lease income |  |  | 1,220 |  |  |  | 2,900 |  |  |  | 4,714 |
(Loss) gain on sale of marketable securities |  |  | (2,560 | ) |  |  | 3,372 |  |  |  | 1,805 |
Miscellaneous (loss) income |  |  | (511 | ) |  |  | 6,088 |  |  |  | 1,008 |
Loss on notes repurchase |  |  | — |  |  |  | — |  |  |  | (12,645 | )
Other income (loss) |  |  | 366 |  |  |  | 12,360 |  |  |  | (5,118 | )

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + 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 210.5-03.3,6,7,9) -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 3, 6, 7, 9 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration