5. Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property Plant and Equipment (Tables)

(In thousands)		December 31,
	Expected Life	2017			2016
Land	–	$	324		$	292
Office buildings	39 years		4,785			4,280
Production facilities	10 - 20 years		11,509			10,734
Machinery and equipment	3 - 15 years		27,492			24,492
Furniture and fixtures	3 - 20 years		1,892			1,706
Total			46,002			41,504
Less accumulated depreciation			(29,503	)		(25,968	)
Property, plant and equipment, net			16,499			15,536
Construction in progress			1,890			371
		$	18,389		$	15,907