CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 3,705	$ 16,906
Short-term investments	34,640	83,787
Unbilled receivables	0	85
Prepaid expenses and other current assets	2,424	6,750
Total current assets	40,769	107,528
Operating lease right-of use assets	214	11,972
Property and equipment, net	392	1,309
Total assets	41,375	120,809
Current liabilities:
Accounts payable	3,168	6,134
Accrued liabilities	5,187	12,461
Deferred revenue	0	317
Operating lease liability	0	1,428
Total current liabilities	8,355	20,340
Deferred revenue, long-term	0	64,545
Operating lease liability, long-term	0	11,300
Total liabilities	8,355	96,185
Commitments and contingencies (Note 6)
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; 6,663 shares issued and outstanding at June 30, 2024 and June 30, 2023	0	0
Additional paid-in-capital	421,239	430,621
Accumulated deficit	(388,219)	(405,997)
Total stockholders' equity	33,020	24,624
Total liabilities and stockholders' equity	$ 41,375	$ 120,809