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Note 6 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Exercise price	$.26	-	$1.25
Expected dividend yield		0%
Risk free interest rate	1.01%	-	2.43%
Expected life in years		5
Expected volatility	85%	-	213%

Exercise price	$1.00	-	$1.25
Expected dividend yield		0%
Risk free interest rate	1.89%	-	2.31%
Expected life in years	4.60	-	9.59
Expected volatility	204%	-	258%

Share-based Compensation, Stock Options, Activity [Table Text Block]

						Weighted Average				Weighted Average
		Number				Exercise Price				Remaining Life
Stock Options
Outstanding January 1, 2017			2,484,445			$	1.18				9.82
Granted			150,000				1.25				3.86
Expired			(21,146	)			1.00
Outstanding September 30, 2017			2,613,299			$	1.18				7.66
Exercisable September 30, 2017			1,853,892			$	1.16				7.12

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

						Weighted Average				Weighted Average
		Number				Exercise Price				Remaining Life
Warrants
Outstanding January 1, 2017			3,826,658			$	1.02				5.72
Outstanding September 30, 2017			3,826,658			$	1.05				4.94
Exercisable September 30, 2017			3,826,658			$	1.05

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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