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Note 6 - Stockholders' Equity (Details) - Common Stock Warrants (USD $)
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6 Months Ended |
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Jun. 30, 2014
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| Common Stock Warrants [Abstract] | |
| Outstanding at December 31, 2013 | 12,136,865 |
| Outstanding at December 31, 2013 | $ 1.33 |
| Issued (see Note 5) | 1,190,250 |
| Issued (see Note 5) | $ 1.75 |
| Outstanding at June 30, 2014 | 13,327,115 |
| Outstanding at June 30, 2014 | $ 1.37 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of warrants issued during the reporting period. No definition available.
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| X | ||||||||||
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- Definition
Weighted average exercise price of warrants issued during the reporting period. No definition available.
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| X | ||||||||||
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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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