Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 307,433	$ 197,896	$ 87,757
Marketable securities	9,681	5,711	24,572
Accounts receivable	26,697	5,924	47
Prepaid expenses and other current assets	2,681	3,864	2,320
Total current assets	346,492	213,395	114,696
Property and equipment, net	6,403	3,842	1,312
Other assets	2,234	1,883	344
Total assets	355,129	219,120	116,352
Current liabilities:
Accounts payable	4,607	2,644	854
Accrued liabilities	15,122	8,288	6,414
Income tax payable	1,389	0	0
Deferred revenue	8,139	8,054	7,000
Total current liabilities	29,257	18,986	14,268
Deferred revenue – non-current portion	62,562	67,324	0
Deferred rent	784	687	410
Total liabilities	92,603	86,997	14,678
Commitments and contingencies (Notes 4 and 10)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 1,000,000 shares authorized; none issued and outstanding	0	0	0
Common stock, $0.0001 par value; 150,000,000 shares authorized at December 31, 2012 and June 30, 2012, respectively; 100,000,000 shares authorized at June 30, 2011; and 70,216,386, 69,317,657 and 67,915,865 shares issued and outstanding at December 31, 2012, June 30, 2012 and June 30, 2011, respectively	7	7	7
Additional paid-in capital	546,129	533,264	514,813
Accumulated other comprehensive loss	(4)	(9)	(21)
Accumulated deficit	(283,606)	(401,139)	(413,125)
Total stockholders’ equity	262,526	132,123	101,674
Total liabilities and stockholders’ equity	$ 355,129	$ 219,120	$ 116,352