Note 11 - Pension Plans (Tables)

9 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Nine Months Ended
	December 31,						December 31,
	2016			2015			2016			2015
	(unaudited)						(unaudited)
Service cost	$	27		$	25		$	83		$	76
Interest cost on projected benefit obligation		313			364			991			1,103
Expected return on plan assets		(282	)		(432	)		(901	)		(1,312	)
Recognized actuarial loss		41			44			133			134
Net periodic pension expense	$	99		$	1		$	306		$	1

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

	December 31, 2016						March 31, 2016
Description	Level 1		Level 2		Total		Level 1		Level 2		Total
	(unaudited)						(unaudited)
Cash and cash funds	$	103	$	-	$	103	$	121	$	-	$	121
Equity		305		-		305		351		-		351
Fixed interest		1,211		58		1,269		1,225		96		1,321
Mutual funds		12,891		12,751		25,642		13,527		13,394		26,921
Total	$	14,510	$	12,809	$	27,319	$	15,224	$	13,490	$	28,714