Note 10 Pension Plans (Tables)

3 Months Ended

Jun. 30, 2012

Pension and Other Postretirement Benefits Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended
	June 30,
	2012		2011
	(unaudited)
Service cost	$	24	$	21
Interest cost on projected benefit obligation		471		522
Expected return on plan assets		(379)		(437)
Recognized actuarial loss		42		19
Net periodic pension expense	$	158	$	125