GOODWILL AND PURCHASED INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended	12 Months Ended			12 Months Ended		12 Months Ended
	Mar. 31, 2011	Mar. 31, 2011	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Technology	Mar. 31, 2012 Technology	Mar. 31, 2013 Customer Relationships	Mar. 31, 2012 Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Goodwill			$ 15,500,000	$ 14,000,000
Finite-Lived Intangible Assets, Gross			2,705,000	1,705,000	1,000,000	0	1,705,000	1,705,000
Finite-Lived Intangible Assets, Accumulated Amortization			(1,757,000)	(1,322,000)	(133,000)	0	(1,624,000)	(1,322,000)
Finite-Lived Intangible Assets, Net			948,000	383,000	867,000	0	81,000	383,000
Finite-Lived Intangible Asset, Useful Life					5 years		8 years
Finite-Lived Intangible Assets, Amortization Expense		2,600,000
Accelerated Amortization Expense	$ 1,400,000