Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 15,683	$ 28,065
Short-term investments-available-for-sale	68,561	85,781
Accounts receivable, net	17,362	22,666
Inventories	13,857	23,244
Other current assets	19,297	31,105
Total current assets	134,760	190,861
Property and equipment, net	36,171	38,100
Goodwill	13,183	13,183
Purchased intangibles	13,008	16,634
Other assets	14,004	10,274
Total assets	211,126	269,052
Current liabilities:
Accounts payable	14,427	21,383
Accrued payroll and related expenses	8,138	6,844
Veloce accrued liability	70,504	32,870
Other accrued liabilities	9,968	9,052
Deferred revenue	1,296	2,137
Total current liabilities	104,333	72,286
Veloce accrued liability	14,540	27,530
Other non-current liability	227	0
Commitments and contingencies (Note 7)
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 December 31, 2012 and March 31, 2012 Issued and outstanding shares - 67,032 at December 31, 2012 and 61,879 at March 31, 2012	670	619
Additional paid-in capital	5,920,637	5,881,336
Accumulated other comprehensive loss	(1,818)	(1,765)
Accumulated deficit	(5,827,463)	(5,710,954)
Total stockholders’ equity	92,026	169,236
Total liabilities and stockholders’ equity	$ 211,126	$ 269,052