Note 5 Other Assets (Tables)

3 Months Ended

Jun. 30, 2013

Other Assets Noncurrent Disclosure [Abstract]

Schedule of Other Assets, Noncurrent [Table Text Block]

	June 30,		March 31,
	2013		2013
	(unaudited)
Marketable equity securities	$	3,354	$	4,116
Auction rate preferred securities		350		350
Long term equity investments		5,515		5,449
Other items		334		320
Total	$	9,553	$	10,235