Note 6 - Other Assets (Tables)

9 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Other Assets, Noncurrent [Table Text Block]

	December 31,		March 31,
	2016		2016
	(unaudited)
Marketable equity securities	$	2,046	$	1,749
Auction rate preferred securities		350		350
Long-term equity method investments		11,554		10,977
Other items, including cost method investments		3,217		686
Total	$	17,167	$	13,762