Note 11 - Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2018

Compensation And Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic benefit cost for the Company’s domestic pension plan (which was frozen in 2007) for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
Components of net periodic (benefit)/cost
Interest cost	$	510		$	554
Expected return on plan assets		(792	)		(677	)
Recognized actuarial loss		179			200
Net periodic (benefit)/cost	$	(103	)	$	77

The components of net periodic benefit cost for the Company’s international pension plan for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
Components of net periodic benefit cost
Service cost	$	270		$	225
Interest cost		194			175
Recognized actuarial loss		103			86
Amortization of prior service benefit		(1	)		(1	)
Net periodic benefit cost	$	566		$	485