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Note 9 - Stock Options (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 70 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] |  |  |  |
Period of option | 10 years |  |  |
Number of options issued to purchase common stock | 100,000 | 100,000 | 1,950,000 |
Exercise price of option | $ 0.56 | $ 0.56 |  | $ 0.56
Share-based Compensation |  | $ 658,381 | $ 466,907 | $ 1,181,530
Unrecognized stock-based compensation | $ 121,000 | $ 121,000 |  | $ 121,000

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