Savings and Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2017

Savings and Retirement Plans [Abstract]

Components of Benefit Costs for Defined Benefit Retirement Plans

The cost for our defined benefit retirement plans in The Netherlands and the United Kingdom includes the following components for the three month periods ended March 31:

	Three Months Ended March 31
	2017			2016
Gross service cost	$	21,000		$	26,000
Interest cost		23,000			29,000
Management cost		3,000			1,000
Expected return on assets		(21,000	)		(24,000	)
Amortization		-			(1,000	)
Net periodic retirement cost	$	26,000		$	31,000