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Note 7 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

		Three Months Ended June 30,								Six Months Ended June 30,
		2018				2017				2018				2017
Cost of sales		$	(5	)		$	70			$	12			$	151
Selling, general and administrative expense			205				385				269				575
Total		$	200			$	455			$	281			$	726

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

		Options Outstanding				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Life				Aggregate Intrinsic Value
										(in years)				(In thousands)
Balance, December 31, 2017			24,000			$	24.15
Options granted			-				-
Options exercised			-				-
Options canceled			-				-
Balance, June 30, 2018			24,000				24.15
Exercisable, June 30, 2018			24,000				24.15				1.75			$	-

Schedule of Unvested Restricted Stock Units and Performance Share Awards Activity [Table Text Block]

		Number of RSUs and PSAs (1)				Weighted- Average Grant Date Fair Value
Unvested RSUs as of December 31, 2017			169,583			$	9.50
PSAs granted			43,077				19.97
Unvested PSAs canceled			(3,085	)			19.97
RSUs vested			(169,583	)			9.50
Unvested PSAs as of June 30, 2018			39,992				19.97

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