Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Current assets:
Cash and cash equivalents	$ 16,036	$ 150,410
Investments in marketable debt securities	85,860
Prepaid expenses and other	3,014	1,694
Total current assets	104,910	152,104
Long-term assets:
Investments in marketable debt securities	16,470
Right-of-use assets	2,054	152
Property and equipment, net	139	16
Deposits and other	148	148
Total assets	123,721	152,420
Current liabilities:
Accounts payable	3,269	1,132
Accrued liabilities:
Compensation and benefits	883
Accrued clinical and other	507	1,222
Current portion of operating lease liabilities	541	108
Total current liabilities	5,200	2,462
Long term liabilities:
Operating lease liabilities, net of current portion	1,937	80
Embedded derivative liabilities	412	407
Total liabilities	7,549	2,949
Commitments and contingencies (Notes 5 and 11)
Shareholders' equity:
Preferred stock, $0.001 par value; 400 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value; 100,000 shares authorized; issued and outstanding 36,827 and 33,582 shares as of June 30, 2023 and 2022, respectively	37	34
Additional paid-in capital	377,471	358,635
Accumulated other comprehensive loss	(351)
Accumulated deficit	(260,985)	(209,198)
Total shareholders' equity	116,172	149,471
Total liabilities and shareholders' equity	$ 123,721	$ 152,420