Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Operating activities:
Net loss	$ (28,810)		$ (116,509)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation	7,728		7,247
Amortization of purchased intangibles	420		3,626
Stock-based compensation expense:
Stock options	1,985		3,024
Restricted stock units	11,445		18,521
Warrants	0		1,289
Veloce accrued liability	42,684		56,580
Acquisition related adjustment	0		(133)
Gain on sale of TPack	(19,699)		0
Net loss (gain) on disposals of property, equipment and other assets	27		(1,296)
Non-cash restructuring costs	298		4,689
Tax effect on other comprehensive income	0		(130)
Changes in operating assets and liabilities:
Accounts receivable	(4,459)		5,304
Inventories	2,415		9,387
Assets held for sale	(14,260)		0
Other assets	16,475		(2,758)
Accounts payable	(4,423)		(3,907)
Accrued payroll and other accrued liabilities	610		887
Veloce accrued liability	(45,432)		(15,928)
Deferred revenue	(449)		(841)
Net cash used for operating activities	(33,445)		(30,948)
Investing activities:
Proceeds from sales and maturities of short-term investments	26,594		35,367
Purchases of short-term investments	(16,241)		(17,834)
Proceeds from sale of property, equipment and other assets	20		1,800
Purchase of property, equipment and other assets	(5,616)		(8,454)
Proceeds from sale of strategic equity investment	1,286		7,146
Purchases of strategic equity investment	0		(500)
Proceeds from the sale of TPack, net	(29,498)		0
Funding of a note receivable	0		(500)
Net cash provided by investing activities	35,541		17,025
Financing activities:
Proceeds from issuance of common stock	8,582		5,841
Funding of restricted stock units withheld for taxes	(5,518)		(2,773)
Repurchase of common stock	0		(653)
Payment of contingent consideration	0		(485)
Other	(595)		(389)
Net cash provided by financing activities	2,469		1,541
Net increase (decrease) in cash and cash equivalents	4,565		(12,382)
Cash and cash equivalents at beginning of year	19,065	[1]	28,065
Cash and cash equivalents at end of period	23,630		15,683
Supplementary cash flow disclosures:
Cash paid for income taxes	609		662
Common stock issued for Veloce merger consideration	$ 29,209		$ 15,956

[1] Amounts have been derived from the March 31, 2013 audited consolidated financial statements.