Note 10 Pension Plans (Tables)

9 Months Ended

Dec. 31, 2014

Pension and Other Postretirement Benefits Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2014		2013		2014		2013
	(unaudited)				(unaudited)
Service cost	$	26	$	27	$	78	$	82
Interest cost on projected benefit obligation		443		479		1,383		1,398
Expected return on plan assets		(469)		(428)		(1,460)		(1,248)
Recognized actuarial loss		17		59		53		172
Net periodic pension expense	$	17	$	137	$	54	$	404

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

	December 31, 2014								March 31, 2014
Description	Level 1		Level 2		Level 3			Total	Level 1		Level 2		Level 3			Total
	(unaudited)								(unaudited)
Cash and cash funds	$	2,612	$	-	$	-	$	2,612	$	1,523	$	-	$	-	$	1,523
Currency contracts		-		(15)		-		(15)		-		(4)		-		(4)
Equity		19,061		581		6		19,648		20,946		439		2		21,387
Fixed interest		743		6,030		1		6,774		749		5,323		1		6,073
Mortgage backed securities		-		16		-		16		-		15		-		15
Swaps and other		-		121		-		121		1		18		-		19
Total	$	22,416	$	6,733	$	7	$	29,156	$	23,219	$	5,791	$	3	$	29,013