Note 6 - Other Assets (Tables)

6 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Other Assets, Noncurrent [Table Text Block]

	September 30,		March 31,
	2016		2016
	(unaudited)
Marketable equity securities	$	1,153	$	1,749
Auction rate preferred securities		350		350
Long-term equity method investments		11,457		10,977
Other items, including cost method investments		3,006		686
Total	$	15,966	$	13,762