Note 4 Other Assets (Tables)

12 Months Ended

Mar. 31, 2013

Other Assets Noncurrent Disclosure [Abstract]

Schedule of Other Assets [Table Text Block]

	Other assets consist of the following (in thousands):
			March 31,
			2013		2012
Marketable equity securities			$	4,116	$	1,064
Auction rate preferred securities				350		350
Equity method investments				5,449		5,340
Other items				320		1,155
	Total		$	10,235	$	7,909
		Based on evaluation of available evidence as of March 31, 2013, we concluded that an impairment of certain marketable equity
securities was other than temporary. As a result, we realized an impairment loss totaling $1.3 million. Available-for-sale investment
securities have been stated at their fair value as of March 31, 2013 and include an unrealized gain, net of taxes, of $60,000 at
March 31, 2013, and an unrealized loss, net of taxes, of $68,000 at March 31, 2012.

Available-for-sale Securities [Table Text Block]

	Available-for-sale investments as of March 31, 2013 and 2012 were as follows (in thousands):
		Fiscal Year 2013				Fiscal Year 2012
		Cost	Gross Unrealized Gains	Gross Unrealized (Losses)	Fair Value	Cost	Gross Unrealized Gains	Gross Unrealized (Losses)	Fair Value
Marketable equity securities		$ 4,024	$ 109	$ (17)	$ 4,116	$ 1,168	$ 45	$ (149)	$ 1,064
Auction rate preferred securities		$ 350	$ -	$ -	$ 350	$ 350	$ -	$ -	$ 350

Schedule of Unrealized Loss on Investments [Table Text Block]

	The available-for-sale investments that were in a continuous unrealized loss position as of March 31, 2013 and
March 31, 2012, aggregated by length of time that individual securities have been in a continuous loss position, were
as follows (in thousands):
		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, 2013	$ 9	$ 27	$ 8	$ 263	$ 17	$ 290
	March 31, 2012	$ -	$ 57	$ 149	$ 329	$ 149	$ 386