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Note 10 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Note 10 - Shareholders Equity

Components of stock-based compensation expense

		2015				2014
Stock options		$	489			$	614
Restricted stock grants:
Employee			82				29
President and CEO			—				150
Board of Directors compensation –
stock grant			—				210
Total		$	571			$	1,003

Option assumptions

		Years Ended December 31,
		2015				2014
Risk-free interest rate			0.72	%			1.10	%
Volatility factor			48.54	%			50.70	%
Dividends			0.00	%			0.00	%
Weighted average expected life (years)			4.15				4.15
Forfeiture rate			13.8	%			13.8	%

Stock option activity

The following tables summarize data for the stock options issued by us:

Year Ended December 31, 2015
		Number of Shares				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Term				Aggregate Intrinsic Value
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				3.57			$	3,094
Vested and expected to vest -
December 31			2,093,294			$	6.45				3.39			$	2,731
Options exercisable – December 31			1,255,736			$	5.22				2.44			$	1,786

Year Ended December 31, 2014
		Number of Shares				Weighted Average Exercise Price Per Share
Shares under option – January 1			2,131,622			$	6.99
Options granted			252,500				3.94
Options exercised			(3,067	)			3.67
Options forfeited or expired			(324,933	)			6.77
Shares under option – December 31			2,056,122			$	6.66
Options exercisable – December 31			1,296,619			$	5.63

Options - range of exercise prices

				Option outstanding												Options exercisable
Range of Exercise Prices				Number of Outstanding Options – December 31, 2015				Weighted-Average Remaining Contractual Life				Weighted- Average Exercise Price				Number of Options Exercisable at December 31, 2015				Weighted- Average Exercise Price
	$3.22-$3.99				817,064				4.64			$	3.78				348,581			$	3.76
	$4.00-$4.99				427,500				2.79			$	4.47				393,750				4.44
	$5.00-$9.99				581,833				2.84			$	6.60				481,833				6.45
	$10.00-$15.00				431,572				3.30			$	12.48				31,572				12.18
	$3.22-$15.00				2,257,969				3.57			$	6.30				1,255,736			$	5.22

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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.

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