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Note 16 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

Vesting Schedule A		Vesting Schedule B		Vesting Schedule C		Vesting Schedule D
25%	12 months	33%	24 months	50%	48 months	20 %	6 months
50%	24 months	67%	36 months	100%	57 months	40 %	18 months
75%	36 months	100%	48 months			60 %	30 months
100%	48 months					80 %	42 months
						100 %	54 months

Share-based Compensation, Activity [Table Text Block]

		December 31, 2017								December 31, 201 6
						Weighted Avg.								Weighted Avg.
		Shares				Exercise Price				Shares				Exercise Price
Exercisable, beginning of period			83,275			$	5.20				63,800			$	5.26
Vested			37,138				5.70				30,381				5.22
Exercised			-				-				4,906				5.15
Cancelled /Expired			(16,950	)			5.17				(6,000	)			5.96
Exercisable at the end of period			103,463			$	5.38				83,275			$	5.20

		December 31, 201 7								December 31, 201 6
						Weighted Avg.								Weighted Avg.
		Shares				Exercise Price				Shares				Exercise Price
Outstanding, beginning of period			143,094			$	5.22				154,000			$	5.25
Granted			350,000				3.52				-				-
Exercised			-				-				4,906				5.15
Cancelled /Expired			(16,950	)			5.17				(6,000	)			5.96
Outstanding at the end of period			476,144			$	3.97				143,094			$	5.22

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

		Dec 31, 2017				Dec 31, 2016				Dec 31, 2015
Weighted average fair value per warrant			-			$	5.85			$	5.11
Risk-free interest rate			-				1.47	%			1.76	%
Expected lives (yrs.)			-				3.0				4.0
Expected volatility			-				34.03	%			28.99	%

X

- 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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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