Note 9 - Pension Plans (Tables)

3 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended
	June 30,
	2017			2016
	(unaudited)
Service cost	$	24		$	28
Interest cost on projected benefit obligation		279			352
Expected return on plan assets		(280	)		(323	)
Recognized actuarial loss		98			48
Net periodic pension expense	$	121		$	105

Defined Benefit Plan Plan Assets Fair Value [Table Text Block]

	June 30, 2017						March 31, 2017
Description	Level 1		Level 2		Total		Level 1		Level 2		Total
	(unaudited)						(unaudited)
Cash and cash funds	$	616	$	-	$	616	$	136	$	-	$	136
Equity		-		-		-		314		-		314
Fixed interest		964		57		1,021		1,203		58		1,261
Mutual funds		13,639		13,584		27,223		13,181		13,390		26,571
Total	$	15,219	$	13,641	$	28,860	$	14,834	$	13,448	$	28,282