Note 6 - Property, Equipment and Improvements (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Property, Plant and Equipment [Table Text Block]

	September 30 ,			December 31,
	2018			2017
Land	$	123		$	123
Buildings and Leasehold Improvements		7,924			7,858
Machinery and Equipment		51,054			50,852
Furniture and Fixtures		1,983			2,005
Computer Hardware and Software		5,549			5,338
Construction In Process		2,601			535
		69,234			66,711
Less: Accumulated Depreciation		(60,442	)		(59,141	)
Property, Equipment and Improvements, Net	$	8,792		$	7,570

	Three-month periods ended				Nine -month periods ended
	September 30 ,		October 1 ,		September 30 ,		October 1 ,
	2018		2017		2018		2017
Depreciation expense	$	496	$	497	$	1,476	$	1,507