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Note 7 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | December 31, |
|  | 2012 |  |  | 2011 |
Deferred tax assets: |  |  |  |  |  |
Net operating losses |  | $ | 50,502 |  |  | $ | 44,850 |
Fixed asset basis difference |  |  | 7,141 |  |  |  | 7,177 |
Contributions carryover |  |  | 2 |  |  |  | 2 |
Deferred compensation |  |  | 2,367 |  |  |  | 2,230 |
Accrued liabilities |  |  | 29 |  |  |  | 529 |
Total deferred tax assets |  |  | 60,041 |  |  |  | 54,788 |
Valuation allowance for deferred tax assets |  |  | (60,041 | ) |  |  | (54,788 | )
Net deferred tax asset |  | $ | - |  |  | $ | - |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Expected federal income tax benefit at 34% |  | $ | (6,614 | ) |  | $ | (5,720 | ) |  | $ | (5,405 | )
Loss with no tax benefit provided |  |  | 5,535 |  |  |  | 4,880 |  |  |  | 4,545 |
State income tax |  |  | 10 |  |  |  | 7 |  |  |  | 6 |
State tax benefit |  |  | (321 | ) |  |  | 0 |  |  |  | 0 |
Stock Options |  |  | 0 |  |  |  | (6 | ) |  |  | 154 |
Non-deductible expenses and other |  |  | 1,079 |  |  |  | 846 |  |  |  | 706 |
Income (benefit) tax expense |  | $ | (311 | ) |  | $ | 7 |  |  | $ | 6 |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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