Note 5 - Other Assets (Tables)

12 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Other Assets, Noncurrent [Table Text Block]

Other assets consist of the following (in thousands):
	March 31,
	2016		2015
Marketable equity securities	$	1,749	$	1,737
Auction rate preferred securities		350		350
Long-term equity method investments		10,977		11,041
Other items		686		576
Total	$	13,762	$	13,704

Available-for-sale Securities [Table Text Block]

	Fiscal Year 2016									Fiscal Year 2015
	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
Marketable equity securities	$	1,875	$	46	$	(172	)	$	1,749	$	1,726	$	53	$	(42	)	$	1,737
Auction rate preferred securities	$	350	$	-	$	-		$	350	$	350	$	-	$	-		$	350

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or Greater				Total
Period	Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value
March 31, 2016	$	29	$	581	$	143	$	932	$	172	$	1,513
March 31, 2015	$	27	$	243	$	15	$	43	$	42	$	286