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Note 3 - Stock-Based Compensation (Details) - Restricted Stock Activity (Restricted Stock [Member], USD $)
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3 Months Ended |
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Mar. 31, 2014
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Restricted Stock [Member]
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| Note 3 - Stock-Based Compensation (Details) - Restricted Stock Activity [Line Items] | |
| Nonvested at December 31, 2013 | 54,986 |
| Nonvested at December 31, 2013 | $ 0.37 |
| Nonvested at March 31, 2014 | 3,330 |
| Nonvested at March 31, 2014 | $ 0.52 |
| Vested | (51,656) |
| Vested | $ 0.37 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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