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Note 5 - Stockholders' Equity (Detail) - Stock Options Activity (USD $)
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3 Months Ended |
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Mar. 31, 2013
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| 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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- 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
The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including 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 price at which grantees can acquire the shares reserved for issuance on stock options awarded. No definition available.
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