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Note 11 - Stockholder's Equity (Tables) | 6 Months Ended
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Jun. 30, 2017
Notes Tables |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] |
|  | At April 3, 2017
Current stock price |  | $ | 8.88 |
Exercise option price |  | $ | 10.25 |
Expected term of warrants (in years) |  |  | 5 |
Expected volatility rate |  |  | 48.29 | %
Risk-free rate |  |  | 1.88 | %
Expected dividend yield |  |  | 0.00 | %

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + 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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