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Note 9 - Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

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

		Three-month periods ended								Nine -month periods ended
		September 30 ,				October 1 ,				September 30 ,				October 1 ,
		2018				2017				2018				2017
Stock Options		$	344			$	130			$	653			$	518
Restricted Stock Grants			19				3				54				11
Total		$	363			$	133			$	707			$	529

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

		Number of Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding at January 1, 2018			1,860,211			$	6.10
Granted			217,500				9.68
Exercised			(305,460	)			4.54
Forfeited or Expired			(17,499	)			5.61
Outstanding at September 30, 2018			1,754,752			$	6.68				3.50			$	3,986
Vested and Expected to Vest at September 30, 2018			1,650,364			$	6.66				3.36			$	3,791
Exercisable at September 30, 2018			1,174,378			$	5.75				2.68			$	3,193

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

Risk-Free Interest Rate			2.6	%
Volatility Factor			47	%
Weighted Average Expected Life (Years)			5
Dividends			0.0	%

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.

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