Note 5 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	2018			2017
Land	$	3,635		$	3,635
Buildings, improvements and leaseholds		18,519			18,192
Machinery, equipment and fixtures		58,111			52,594
		80,265			74,421
Accumulated depreciation and amortization		(51,496	)		(47,577	)
	$	28,769		$	26,844