CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
ASSETS
Cash and cash equivalents	$ 164,076	$ 194,960
Accounts receivable	36
Unbilled revenue	1,987	2,121
Inventory	2,484	703
Restricted cash	319	319
Prepaid and other current assets	3,442	2,581
Total current assets	172,344	200,684
Property and equipment, net of accumulated depreciation	12,046	10,783
Long-term restricted cash	1,912	1,912
Other assets	392	217
Total assets	186,694	213,596
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	4,743	4,498
Accrued compensation	6,396	6,153
Other accrued liabilities	7,221	6,049
Current portion of deferred lease incentive	1,016	979
Current portion of deferred revenue	1,821	1,494
Total current liabilities	21,197	19,173
Deferred lease incentive, net of current portion	5,079	5,626
Deferred revenue, net of current portion	59,348	63,384
Other long-term liabilities	3,136	3,566
Total liabilities	88,760	91,749
Commitments and contingencies (Note E)
Shareholders' equity:
Preferred stock, $0.01 par value; authorized 5,000 shares; no shares issued and outstanding
Common stock, $0.01 par value; authorized 150,000 shares; issued and outstanding 85,807 and 84,725 shares as of March 31, 2014 and June 30, 2013, respectively	858	847
Additional paid-in capital	718,708	697,767
Accumulated deficit	(621,632)	(576,767)
Total shareholders' equity	97,934	121,847
Total liabilities and shareholders' equity	$ 186,694	$ 213,596