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8. FAIR VALUE MEASUREMENTS (Details 2) (USD $) | Sep. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Liabilities: |  |
Liabilities | $ 6,786,000 | $ 2,421,000
Assets: |  |
Assets | 514,000 | 244,000
Commodity Contracts [Member] |  |
Liabilities: |  |
Liabilities | 291,000 | 500,000
Assets: |  |
Assets | 514,000 | 244,000
Warrants [Member] |  |
Liabilities: |  |
Liabilities | 6,495,000 | 1,921,000
Level 3 [Member] |  |
Liabilities: |  |
Liabilities | 6,495,000 | 1,921,000
Assets: |  |
Assets |  |
Level 3 [Member] | Commodity Contracts [Member] |  |
Liabilities: |  |
Liabilities |  |
Assets: |  |
Assets |  |
Level 3 [Member] | Warrants [Member] |  |
Liabilities: |  |
Liabilities | 6,495,000 | 1,921,000
Level 1 [Member] |  |
Liabilities: |  |
Liabilities | 291,000 | 500,000
Assets: |  |
Assets | 514,000 | 244,000
Level 1 [Member] | Commodity Contracts [Member] |  |
Liabilities: |  |
Liabilities | 291,000 | 500,000
Assets: |  |
Assets | 514,000 | 244,000
Level 1 [Member] | Warrants [Member] |  |
Liabilities: |  |
Liabilities |  |
Level 2 [Member] |  |
Liabilities: |  |
Liabilities |  |
Assets: |  |
Assets |  |
Level 2 [Member] | Commodity Contracts [Member] |  |
Liabilities: |  |
Liabilities |  |
Assets: |  |
Assets |  |
Level 2 [Member] | Warrants [Member] |  |
Liabilities: |  |
Liabilities |  |

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- Definition This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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