Note 10 - Equity (Details) - Stock Options Activity - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
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| Stock Options Activity [Abstract] | ||
| Outstanding (in Shares) | 312,995 | 0 |
| Weighted Average Exercise Price | $ 2.04 | $ 0 |
| Outstanding Weighted Average Fair Value | $ 2.21 | $ 0.92 |
| Outstanding Weighted Average Remaining Contractual Life | 9 years | 9 years 73 days |
| Exercisable at December 31, 2014 (in Shares) | 111,502 | 13,072 |
| Exercisable at December 31, 2014 | $ 1.81 | $ 1.20 |
| Exercisable at December 31, 2014 (in Dollars) | $ 0.57 | |
| Exercisable at December 31, 2014 | 8 years 146 days | 9 years 109 days |
| Granted at market price (in Shares) | 211,660 | 320,115 |
| Granted at market price | $ 8.35 | $ 2.04 |
| Cancelled (in Shares) | 1,835 | (7,120) |
| Cancelled | $ 1.20 | |
| Outstanding (in Shares) | 524,600 | 312,995 |
| Weighted Average Exercise Price | $ 4.69 | $ 2.04 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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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| X | ||||||||||
- Definition Weighted average remaining contractual term for option awards 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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| X | ||||||||||
- Definition Weighted average grant-date fair value of options vested. No definition available.
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