Note 10 - Pension Plans (Tables)

3 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended
	June 30,
	2016			2015
	(unaudited)
Service cost	$	28		$	26
Interest cost on projected benefit obligation		352			368
Expected return on plan assets		(323	)		(438	)
Recognized actuarial loss		48			45
Net periodic pension expense	$	105		$	1

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

	June 30, 2016						March 31, 2016
Description	Level 1		Level 2		Total		Level 1		Level 2		Total
	(unaudited)						(unaudited)
Cash and cash funds	$	17	$	-	$	17	$	121	$	-	$	121
Equity		398		-		398		351		-		351
Fixed interest		1,326		94		1,420		1,225		96		1,321
Mutual funds		13,156		13,203		26,359		13,527		13,394		26,921
Total	$	14,897	$	13,297	$	28,194	$	15,224	$	13,490	$	28,714