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Note 6 - Income Taxes (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Jun. 30, 2014
Income Tax Disclosure [Abstract] |  |  |
Deferred Tax Assets, Valuation Allowance | $ 14,400,000 |  | $ 17,600,000
Percentage of Change in Ownership for Operating Loss Carryforward |  | 50.00% |
Annual Limitation Due to Impact of Recent Ownership Change |  | 284,000 |
Operating Loss Carryforwards |  |  | 36,200,000
Net Operating Loss Carryforward Period | 20 years |  |
Possible Utilization Amount of Pre-Change Net Operating Losses and Net Built in Deduction | 5,600,000 |  |
Deferred Tax Assets Net Operating Loss Write Off | $ 10,400,000 |  |

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