Employee Benefit Plans

3 Months Ended

Mar. 31, 2018

Employee Benefit Plans Disclosure [Abstract]

Employee Benefit Plans Disclosure [Text Block]

11. Employee Benefit Plans

The Company’s subsidiary in the United Kingdom, Biochrom Limited, maintains contributory, defined benefit pension plans for substantially all of its employees. These defined benefit pension plans have been closed to new employees since 2014, as well as closed to the future accrual of benefits for existing employees. The components of the Company’s defined benefit pension expense were as follows:

		Three Months Ended
		March 31,
		2018		2017
		(in thousands)
Components of net periodic benefit cost:
Interest cost	$	132	$	125
Expected return on plan assets		(204)		(159)
Net amortization loss		58		87
Net periodic benefit (income) cost	$	(14)	$	53

For the three months endedMarch 31,2018 and 2017, the Company contributed $0.2 million, for both periods, to its defined benefit pension plans.The Company expects to contribute approximately $0.5 million to its defined benefit pension plans during the remainder of 2018.

The Company had an underfunded pension liability of approximately $1.2 million as of March 31,2018 and December 31, 2017, respectively, included in the other long term liabilities line item in the consolidated balance sheets.