Note 6 - Warrants - Assumptions Used to Determine Fair Value of Warrants (Details) |
9 Months Ended | |
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Sep. 30, 2017 |
Sep. 30, 2016 |
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Expected life in years (Year) | 5 years | 5 years |
Minimum [Member] | ||
Risk free interest rate | 1.71% | 0.95% |
Expected volatility | 293.00% | 311.00% |
Maximum [Member] | ||
Risk free interest rate | 1.93% | 1.36% |
Expected volatility | 297.00% | 315.00% |
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- Definition Period an equity-based award is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The risk-free interest rate assumption that is used in valuing a nonvested share or option award issued to other than an employee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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