CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
ASSETS
Cash and cash equivalents	$ 121,798	$ 142,261
Accounts receivable	1,838	1,896
Unbilled revenue	784	1,329
Inventory	2,115	2,950
Prepaid and other current assets	1,795	2,320
Total current assets	128,330	150,756
Property and equipment, net of accumulated depreciation	14,668	14,349
Other assets	108	213
Total assets	143,106	165,318
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	4,957	4,819
Accrued compensation	3,712	6,865
Other accrued liabilities	6,844	6,668
Current portion of deferred lease incentive	562	528
Current portion of deferred revenue	23,699	2,374
Total current liabilities	39,774	21,254
Deferred lease incentive, net of current portion	5,904	5,679
Deferred revenue, net of current portion	34,661	58,969
Other long-term liabilities	3,796	3,717
Total liabilities	84,135	89,619
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 85,928 and 85,903 shares as of September 30, 2014 and June 30, 2014, respectively	859	859
Additional paid-in capital	728,525	722,971
Accumulated deficit	(670,413)	(648,131)
Total shareholders' equity	58,971	75,699
Total liabilities and shareholders' equity	$ 143,106	$ 165,318