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Note 8 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

		2016				201 5
Stock Options		$	676			$	489
Restricted Stock Grants			34				82
Total		$	710			$	571

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

		Years Ended December 31,
		2016				2015
Risk-free interest rate			1.36	%			0.72	%
Volatility factor			48.20	%			48.54	%
Dividends			0.00	%			0.00	%
Weighted average expected life (years)			4.83				4.15
Forfeiture rate			10.0	%			13.8	%

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

Year Ended December 31, 201 6
		Number of Shares				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Term				Aggregate Intrinsic Value
Shares under Option – January 1			2,257,969			$	6.30
Options Granted			369,550				4.69
Options Exercised			(152,789	)			3.86
Options Forfeited or Expired			(151,149	)			6.09
Shares under option – December 31			2,323,581			$	6.22				3.31			$	1,101
Vested and Expected to Vest - December 31			2,192,138			$	6.31				2.98			$	1,006
Options Exercisable – December 31			1,302,390			$	5.05				1.92			$	669

Year Ended December 31, 201 5
										Number of Shares				Weighted Average Exercise Price Per Share
Shares under Option – January 1											2,056,122			$	6.66
Options Granted											411,250				4.68
Options Exercised											(137,937	)			3.90
Options Forfeited or Expired											(71,466	)			11.86
Shares under option – December 31											2,257,969			$	6.30
Options Exercisable – December 31											1,255,736			$	5.22

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

					Option Outstanding												Options Exercisable
Range of Exercise Prices					Number of Outstanding Options – December 31, 2016				Weighted- Average Remaining Contractual Life				Weighted- Average Exercise Price				Number of Options Exercisable at December 31, 2016				Weighted- Average Exercise Price
$3.22	-	$3.99				608,200				3.68			$	3.76				394,218			$	3.75
$4.00	-	$4.99				686,548				3.62			$	4.40				396,006				4.45
$5.00	-	$9.99				628,833				2.17			$	6.58				512,166				6.52
$10.00	-	$15.00				400,000				4.00			$	12.50				-				-
$3.22	-	$15.00				2,323,581				3.31			$	6.22				1,302,390			$	5.05

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

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