Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Property, Plant and Equipment

We depreciate these assets using the straight-line method over their estimated useful lives as follows:

	Estimated	Year-End
	Useful Lives	2017			2016
		(In thousands)
Buildings and building improvements	10 to 40 years	$	2,162		$	2,700
Property and equipment	2 to 10 years	4,513			4,957
		6,675			7,657
Less: accumulated depreciation		(4,672		)	(4,541		)
		$	2,003		$	3,116