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Note 13 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

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

		Warrants Outstanding						Warrants Exercisable
Exercise Prices		Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price


$	1.65		400,000		1.5 7	$	1.65		400,000	$	1.65
Total			4 00,000		1. 57	$	1.65		400,000	$	1. 65

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


Expected term (in years)	1.9
Volatility	76.92	%
Risk free interest rate	0.64	%
Dividend yield	0	%

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

		Options Outstanding						Options Exercisable
Exercise Prices		Number Outstanding		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$	0.74		325,000		2.62	$	0.74		216,667	$	0.74
$	1.01		130,000		7.97	$	1.01		130,000	$	1.01
Total			455,000		4.15	$	0.82		346,667	$	0.84

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

	December 31, 2017
	Shares			Weighted Average Exercise Price		Average Remaining Life		Weighted Average Intrinsic Value

Outstanding at beginning of period		868,000		$	1.10		3.41	$	-
Granted		-			-		-		-
Exercised		-			-		-		-
Forfeited		(175,000	)		0.75		-		-
Expired		(238,000	)		1.90		-		-
Outstanding at end of period		455,000		$	0.82		4.15	$	-
Vested and expected to vest		455,000		$	0.82		4.15	$	-
Exercisable end of period		346,667		$	0.84		4.63	$	-

- Definition

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.

+ References + Details