Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 11,992	$ 28,065	[1]
Short-term investments-available-for-sale	77,695	85,781	[1]
Accounts receivable, net	14,275	22,666	[1]
Inventories	18,437	23,244	[1]
Other current assets	26,450	31,105	[1]
Total current assets	148,849	190,861	[1]
Property and equipment, net	37,858	38,100	[1]
Goodwill	13,183	13,183	[1]
Purchased intangibles	14,024	16,634	[1]
Other assets	11,019	10,274	[1]
Total assets	224,933	269,052	[1]
Current liabilities:
Accounts payable	14,095	21,383	[1]
Accrued payroll and related expenses	7,106	6,844	[1]
Veloce accrued liability	17,450	32,870	[1]
Other accrued liabilities	8,206	9,052	[1]
Deferred revenue	1,219	2,137	[1]
Total current liabilities	48,076	72,286	[1]
Veloce accrued liability	17,894	27,530	[1]
Commitments and contingencies (Note 7)			[1]
Stockholders' equity:
Preferred stock, $0.01 par value: Authorized shares - 2,000, none issued and outstanding			[1]
Common stock, $0.01 par value: Authorized shares - 375,000 at September 30, 2012 and March 31, 2012 Issued and outstanding shares - 65,317 at September 30, 2012 and 61,879 at March 31, 2012	648	619	[1]
Additional paid-in capital	5,915,248	5,881,336	[1]
Accumulated other comprehensive loss	(1,032)	(1,765)	[1]
Accumulated deficit	(5,755,901)	(5,710,954)	[1]
Total stockholders' equity	158,963	169,236	[1]
Total liabilities and stockholders' equity	$ 224,933	$ 269,052	[1]

[1] Note: Amounts have been derived from the March 31, 2012 audited consolidated financial statements.