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Note 5 - Accrued Liabilities | 12 Months Ended
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Dec. 31, 2011
Schedule of Accrued Liabilities [Table Text Block] | NOTE 5 – ACCRUED LIABILITIES Accrued liabilities consist of the following (dollars in thousands):
|  | December 31, |
|  | 2011 |  |  | 2010 |
Payroll, bonus, and benefits |  | $ | 150 |  |  | $ | 114 |
Well-field, environmental studies, legal and consulting |  |  | 716 |  |  |  | 1,215 |
Stock-based compensation |  |  | 27 |  |  |  | - |
Other accrued expenses |  |  | 156 |  |  |  | 189 |
|  | $ | 1,049 |  |  | $ | 1,518 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration