Note 4 Other Assets (Tables)

6 Months Ended

Sep. 30, 2012

Other Assets Noncurrent Disclosure [Abstract]

Schedule of Other Assets, Noncurrent [Table Text Block]

	September 30,		March 31,
	2012		2012
	(unaudited)
Marketable equity securities	$	5,939	$	1,064
Auction rate preferred securities		350		350
Long term equity investments		5,130		5,340
Other items		742		1,155
Total	$	12,161	$	7,909