Note 6 - Other Assets (Tables)

9 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Other Assets, Noncurrent [Table Text Block]

	December 31,		March 31,
	2015		2015
	(unaudited)
Marketable equity securities	$	1,785	$	1,737
Auction rate preferred securities		350		350
Long-term equity investments		10,854		11,041
Other items		727		576
Total	$	13,716	$	13,704