GOODWILL AND PURCHASED INTANGIBLE ASSETS (Tables)

12 Months Ended

Mar. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

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

The following table presents the carrying value of purchased intangible assets with remaining net book values as of March 31, 2012 and 2011:

	March 31, 2012							March 31, 2011
	Gross		Accumulated			Net		Gross		Accumulated			Net
(in thousands)	Amount		Amortization			Amount		Amount		Amortization			Amount		Useful Life
Technology	$	3,000	$	(3,000	)	$	—	$	3,000	$	(2,812	)	$	188	6	years
Customer relationships	1,705		(1,322		)	383		1,705		(1,044		)	661		8	years
OEM relationships	27		(27		)	—		27		(20		)	7		7	years
Total	$	4,732	$	(4,349	)	$	383	$	4,732	$	(3,876	)	$	856