Note 4 Other Assets (Tables)

9 Months Ended

Dec. 31, 2012

Other Assets Noncurrent Disclosure [Abstract]

Schedule of Other Assets, Noncurrent [Table Text Block]

	December 31,		March 31,
	2012		2012
	(unaudited)
Marketable equity securities	$	4,013	$	1,064
Auction rate preferred securities		350		350
Long term equity investments		5,279		5,340
Other items		717		1,155
Total	$	10,359	$	7,909