INTANGIBLE ASSETS, NET (Tables)

12 Months Ended

Mar. 31, 2013

Intangible assets, net, at March 31, 2013 and 2012 consisted of the following (in thousands):

			Accumulated		Net Book
	Cost		Amortization		Value
Balance, March 31, 2013
Licenses	$	5,000	$	2,360		2,640
Other		637		155		482
Total intangible assets	$	5,637	$	2,515	$	3,122

Balance, March 31, 2012
Licenses	$	5,000	$	1,625		3,375
Patents		750		675		75
Other		637		97		540
Total intangible assets	$	6,387	$	2,397	$	3,990

Estimated Future Annual Amortization Expense

Amortization expense for intangible assets, included in cost of revenues or in the respective operating expense line based on the function and purpose for which it is being used, amounted to $868,000, $614,000 and $633,000 in fiscal 2013, 2012 and 2011, respectively. Based on our intangible assets subject to amortization as of March 31, 2013, the estimated amortization expense for succeeding years is as follows (in thousands):

	Estimated Future Annual Amortization Expense
			Fiscal Year Ending March 31,
	Total		2014		2015		2016		2017		2018		Thereafter
Amortization expense	$	3,122	$	1,499	$	1,258	$	58	$	58	$	58	$	191