Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 19,065	$ 28,065
Short-term investments-available-for-sale	66,411	85,781
Accounts receivable, net	24,575	22,666
Inventories	12,900	23,244
Other current assets	17,998	31,105
Total current assets	140,949	190,861
Property and equipment, net	34,391	38,100
Goodwill	13,183	13,183
Purchased intangibles	11,991	16,634
Other assets	10,866	10,274
Total assets	211,380	269,052
Current liabilities:
Accounts payable	17,650	21,383
Accrued payroll and related expenses	6,158	6,844
Veloce accrued liability	78,082	32,870
Other accrued liabilities	10,730	9,052
Deferred revenue	1,469	2,137
Total current liabilities	114,089	72,286
Veloce accrued liability	15,351	27,530
Other non-current liability	436	0
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.01 par value: Authorized shares - 2,000, none issued and outstanding	0	0
Common stock, $0.01 par value: Authorized shares - 375,000 at March 31, 2013 and March 31, 2012 Issued and outstanding shares - 67,952 at March 31, 2013 and 61,879 at March 31, 2012	680	619
Additional paid-in capital	5,926,630	5,881,336
Accumulated other comprehensive loss	(737)	(1,765)
Accumulated deficit	(5,845,069)	(5,710,954)
Total stockholders’ equity	81,504	169,236
Total liabilities and stockholders’ equity	$ 211,380	$ 269,052