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Note 5 - Stockholders' Equity (Details) - Stock Options Activity (USD $)
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3 Months Ended |
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Mar. 31, 2013
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| Stock Options Activity [Abstract] | |
| Outstanding at January 1, 2013 | 6,432,127 |
| Outstanding at January 1, 2013 (in Dollars per share) | $ 1.58 |
| Issued | 10,000 |
| Issued (in Dollars per share) | $ 1.45 |
| Outstanding at March 31, 2013 | 6,442,127 |
| Outstanding at March 31, 2013 (in Dollars per share) | $ 1.58 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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