CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
ASSETS
Cash and cash equivalents	$ 194,960	$ 160,938
Accounts receivable		129
Unbilled revenue	2,121	1,196
Inventory	703	1,288
Restricted cash	319	319
Prepaid and other current assets	2,581	2,400
Total current assets	200,684	166,270
Property and equipment, net of accumulated depreciation	10,783	11,633
Long-term restricted cash	1,912	2,231
Other assets	217	174
Total assets	213,596	180,308
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	4,498	3,395
Accrued compensation	6,153	4,942
Other accrued liabilities	6,049	4,589
Current portion of deferred lease incentive	979	979
Current portion of deferred revenue	1,494	2,349
Total current liabilities	19,173	16,254
Deferred lease incentive, net of current portion	5,626	6,605
Deferred revenue, net of current portion	63,384	69,761
Other long-term liabilities	3,566	3,798
Total liabilities	91,749	96,418
Commitments and contingencies (Note H)
Shareholders' equity:
Preferred stock, $.01 par value; authorized 5,000 shares; no shares issued and outstanding
Common stock, $.01 par value; authorized 150,000 shares; issued and outstanding 84,725 and 77,759 shares as of June 30, 2013 and 2012, respectively	847	778
Additional paid-in capital	697,767	587,068
Accumulated deficit	(576,767)	(503,956)
Total shareholders' equity	121,847	83,890
Total liabilities and shareholders' equity	$ 213,596	$ 180,308