Note 6 Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

		March 31,
		2013		2012
Goodwill		$	13,192	$	13,192
Accumulated impairment losses			(13,192)		(6,744)
	Net goodwill at beginning of period		-		6,448
Goodwill acquired in acquisition			-		-
Impairment losses			-		(6,448)
	Net goodwill at end of period	$	-	$	-

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Identifiable Intangible Assets
		Identified intangible assets consisted of the following as of March 31, 2013 (in thousands):
			Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
Developed intellectual property			$	4,800	$	2,458	$	2,342
Customer relationships				6,100		6,100		-
Contract backlog				2,000		2,000		-
Other intangible assets				1,187		636		551
Total identifiable intangible assets			$	14,087	$	11,194	$	2,893
		Identified intangible assets consisted of the following as of March 31, 2012 (in thousands):
			Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
Developed intellectual property			$	4,800	$	1,658	$	3,142
Customer relationships				6,100		4,840		1,260
Contract backlog				2,000		2,000		-
Other intangible assets				1,187		445		742
Total identifiable intangible assets			$	14,087	$	8,943	$	5,144

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

			Acquisition Date			Estimated
			Fair Value		Amortization	Useful Life
			(In thousands)		Method	(In months)
Zilog
	Developed intellectual property		$	4,800	Straight-line	72
	Customer relationships			6,100	Accelerated	37
	Contract backlog			2,000	Straight-line	12
	Trade name			1,100	Straight-line	72
		Total for Zilog	$	14,000