Note 12 - Defined Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended				Six months ended
	June 30,				June 30,
	2018		2017		2018		2017
(In thousands)
Components of net periodic benefit cost
Service cost	$	-	$	-	$	-	$	-
Interest cost (1)		20		18		40		36
Expected return on plan assets		-		-		-		-
Amortization of prior service cost		-		-		-		-
Amortization of net losses (1)		18		17		36		33
Net periodic benefit cost	$	38	$	35	$	76	$	69