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Note 11 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Year ended December 31,
		2015				2014				2013
		(in thousands)
Cost of sales		$	412			$	337			$	662
Selling, general and administrative expenses			1,362				2,609				2,398
Total		$	1,774			$	2,946			$	3,060

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

		Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life				Aggregate Intrinsic Value
										(in years)				(in thousands)
Balance, December 31, 2013			40,000			$	25.44
Options granted			-				-
Options exercised			(2,000	)			14.00
Options cancelled			-				-
Balance, December 31, 2014			38,000				26.05
Options granted			-				-
Options exercised			(2,000	)			22.07
Options cancelled			(8,000	)			29.98
Balance, December 31, 2015			28,000				25.21
Exercisable and Outstanding, December 31, 2015			28,000				25.21				3.77			$	-

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

Options Outstanding															Options Exercisable
Exercise Price Per Share			Number of Options				Weighted Average Remaining Contractual Life (years)				Weighted Average Exercise Price Per Share				Number of Options				Weighted Average Exercise Price Per Share
$24.15				24,000			4.25				$24.15					24,000			$24.15
28.31				2,000			0.36				28.31					2,000			28.31
34.77				2,000			1.41				34.77					2,000			34.77
				28,000			3.77				25.21					28,000			25.21

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

		2014					2013
Expected stock price volatility		23.7%	-	65.0%			24.6%	-	60.1%
Risk free interest rate			0.61%					0.41%
Expected dividend yield			0%					0%

Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]

		Number of RSUs and PSAs (1)				Weighted Average Grant Date Fair Value
Unvested RSUs and PSAs at December 31, 2013			257,087			$	30.69
RSUs and PSAs granted			87,353				41.76
Unvested RSUs and PSAs cancelled			(32,756	)			32.36
RSUs and PSAs vested (2)			(80,469	)			25.81
Unvested RSUs and PSAs at December 31, 2014			231,215				36.34
RSUs and PSAs granted			-				-
Unvested RSUs and PSAs cancelled			(53,960	)			36.12
RSUs and PSAs vested			(49,403	)			30.01
Unvested RSUs and PSAs at December 31, 2015			127,852			$	38.87

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

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-Number Topic 14
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