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Note 3 - Summary of Significant Accounting Policies - Weighted Average Assumptions (Details) - $ / shares |  | 12 Months Ended
--- | --- | ---
Feb. 12, 2016 | Dec. 31, 2016
Dividend yield |  | 0.00%
Derivative Financial Instruments, Liabilities [Member] |  |
Exercise price (in dollars per share) | $ 1.25 | $ 1.25
Risk free interest rate | 1.20% | 1.93%
Dividend yield | 0.00% | 0.00%
Expected volatility | 156.00% | 219.00%
Contractual term (in years) (Year) | 5 years | 4 years 91 days

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- Definition Agreed upon price for the exchange of the underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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