Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 77,592	$ 54,596
Short-term investments	42,336	23,358
Accounts receivable, net of allowances of $1,518 at March 31, 2013 and $1,646 at June 30, 2012	43,612	41,166
Inventories	15,658	26,609
Deferred income taxes	288	644
Prepaid expenses and other current assets	5,690	5,655
Assets held for sale	0	17,081
Total current assets	185,176	169,109
Property and equipment, net	11,220	25,180
Marketable securities	69,171	75,561
Intangible assets, net	4,273	5,106
Other assets	8,593	9,634
Total assets	278,433	284,590
Current liabilities:
Accounts payable	10,336	19,437
Accrued compensation and benefits	10,882	13,409
Restructuring liabilities	1,774	463
Accrued warranty	2,896	2,871
Deferred revenue, net	32,400	31,769
Deferred distributors revenue, net of cost of sales to distributors	13,532	15,319
Other accrued liabilities	12,784	13,480
Total current liabilities	84,604	96,748
Deferred revenue, less current portion	8,007	7,559
Other long-term liabilities	1,401	643
Commitments and contingencies (Note 8)
Stockholders’ equity:
Convertible preferred stock, $.001 par value, issuable in series, 2,000,000 shares authorized; none issued	0	0
Common stock, $.001 par value, 750,000,000 shares authorized; 92,976,291 shares issued and outstanding at March 31, 2013 and 133,965,455 and 94,333,619 shares issued and outstanding, respectively, at June 30, 2012	93	134
Treasury stock, zero and 39,631,836 shares at March 31, 2013 and June 30, 2012, respectively	0	(149,666)
Additional paid-in-capital	818,562	970,609
Accumulated other comprehensive income	(147)	(861)
Accumulated deficit	(634,087)	(640,576)
Total stockholders’ equity	184,421	179,640
Total liabilities and stockholders’ equity	$ 278,433	$ 284,590