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Note 7 - Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
		2019				2018				2019				2018
Cost of sales		$	118			$	(5	)		$	124			$	12
Selling, general, and administrative expense			535				205				551				269
Total		$	653			$	200			$	675			$	281

Share-based Payment Arrangement, Option, 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, 2018			24,000			$	24.15
Options granted			-				-
Options exercised			-				-
Options canceled			-				-
Balance, June 30, 2019			24,000				24.15
Exercisable, June 30, 2019			24,000				24.15				0.75			$	39

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 PSAs as of December 31, 2018			39,992			$	19.97
RSUs and PSAs granted			86,701				23.56
Unvested RSUs and PSAs canceled			-				-
PSAs vested (2)			(39,992	)			19.97
Unvested RSUs and PSAs as of June 30, 2019			86,701				23.56

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