BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Current assets:
Cash and cash equivalents	$ 8,543	$ 12,331
Short-term investments	144,883	170,299
Total cash, cash equivalents and short-term investments	153,426	182,630
Receivable for foreign tax withholding	0	20,420
Unbilled receivables	7,582	2,858
Prepaid expenses and other current assets	3,809	2,736
Total current assets	164,817	208,644
Operating lease right-of use assets	7,774	0
Property and equipment, net	1,507	1,084
Total assets	174,098	209,728
Current liabilities:
Accounts payable	6,355	2,437
Accrued liabilities	8,402	6,090
Deferred revenue	4,526	5,229
Operating lease liability	928	0
Total current liabilities	20,211	13,756
Deferred revenue, long-term	74,696	78,428
Operating lease liability, long term	7,370	0
Warrant liability	22,355	40,483
Total liabilities	124,632	132,667
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $0.01 par value; 100 shares authorized; none outstanding	0	0
Common stock, $0.00000002 par value; 226,000 shares authorized; 111,514 and 73,545 shares issued and outstanding at June 30, 2020 and 2019, respectively.	0	0
Additional paid-in-capital	369,171	355,452
Accumulated deficit	(319,705)	(278,391)
Total stockholders' equity	49,466	77,061
Total liabilities and stockholders' equity	$ 174,098	$ 209,728