| Note 6 - Stockholders' Equity (Details) - Common Stock Warrants (USD $) | 3 Months Ended | 
|---|---|
| Mar. 31, 2014 | |
| Common Stock Warrants [Abstract] | |
| Outstanding at December 31, 2013 | 12,136,865 | 
| Outstanding at December 31, 2013 (in Dollars per Item) | 1.33 | 
| Issued (see Note 5) | 1,190,250 | 
| Issued (see Note 5) (in Dollars per share) | $ 1.75 | 
| Outstanding at March 31, 2014 | 13,327,115 | 
| Outstanding at March 31, 2014 (in Dollars per Item) | 1.37 | 
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- Details 
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- Definition Number of warrants issued during the reporting period. No definition available. 
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- Definition Weighted average exercise price of warrants issued during the reporting period. No definition available. 
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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