GOODWILL AND PURCHASED INTANGIBLE ASSETS (Tables)

6 Months Ended

Sep. 30, 2011

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 acquired intangible assets with remaining net book values as of each period:

	September 30, 2011							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		(1,184		)	521		1,705		(1,044		)	661		8	years
OEM relationships	27		(22		)	5		27		(20		)	7		7	years
Total	$	4,732	$	(4,206	)	$	526	$	4,732	$	(3,876	)	$	856