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Note 5 - Stockholders' Equity (Detail) - Common Stock Warrants (USD $)
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1 Months Ended | 3 Months Ended |
|---|---|---|
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Jan. 31, 2013
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Mar. 31, 2013
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| Outstanding at January 1, 2013 | 8,763,836 | 8,763,836 |
| Outstanding at January 1, 2013 (in Dollars per Item) | 0.95 | 0.95 |
| Issued | 4,600,842 | 4,600,842 |
| Issued (in Dollars per share) | $ 1.75 | $ 1.75 |
| Exercised | (51,000) | |
| Exercised (in Dollars per share) | $ 0.95 | |
| Outstanding at March 31, 2013 | 13,313,678 | |
| Outstanding at March 31, 2013 (in Dollars per Item) | 1.20 | 1.23 |
| X | ||||||||||
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- Definition
Number of warrants exercised during the reporting period. No definition available.
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| X | ||||||||||
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- Definition
Weighted average exercise price of warrants exercised during the reporting period. No definition available.
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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
The exercise price of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate amount of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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