Note 4 Other Assets (Tables)

3 Months Ended

Jun. 30, 2012

Other Assets Noncurrent Disclosure [Abstract]

Schedule of Other Assets, Noncurrent [Table Text Block]

	2012		2012
	(unaudited)
Marketable equity securities	$	4,799	$	1,064
Auction rate preferred securities		350		350
Long term equity investments		5,038		5,340
Other items		844		1,155
Total	$	11,031	$	7,909