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Note 9 -Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

		2014				2013
Risk-free interest rate			1.45	%			0.72	%
Expected volatility			102.0	%			106.0	%
Dividend yield			0	%			0	%
Expected option term in years			5				5

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

Fixed Options		Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value
Outstanding at January 1, 2013			495,517			$	9.33				2.73
Granted during period			46,402				10.64
Exercised			(45,000	)			6.70
Forfeited/Expired			(35,000	)			8.20
Outstanding at December 31, 2013			461,919				9.80				2.28
Granted during period			43,064				14.67
Exercised			(155,000	)			8.52
Outstanding at December 31, 2014			349,983				10.97				2.20
Granted during period			-				-
Exercised			(55,000	)			8.00
Forfeited/Expired			(25,000	)			14.08
Outstanding at December 31, 2015			269,983			$	11.29			$	1.71			$	221,397
Vested at December 31, 2015			269,983			$	11.29			$	1.71			$	221,397

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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