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Note 13 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

		Year Ended December 31,
		2019				2018				2017
Cost of sales		$	383			$	12			$	292
Selling, general, and administrative expense			1,326				269				908
Total		$	1,709			$	281			$	1,200

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, December 31, 2019			24,000				24.15
Exercisable, December 31, 2019			24,000				24.15				0.24			$	220

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			(1,531	)			23.56
PSAs vested (2)			(39,992	)			19.97
Unvested RSUs and PSAs as of December 31, 2019			85,170				23.56

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